sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass

cve CVE-2026-44990 2 sources, 2 claims · Watch

Red Hat writes:
sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass the claim

What it is to other things

In words only, so not counted until a person confirms one:

affectsapostrophecms/sanitize_html
NVD says “apostrophecms · sanitize-html”
made_byapostrophecms
NVD says “apostrophecms”

What each source says

PropertySourceSaidMeans here
Cvss
cvss
conflict
NVD9.3
receipt
Source
NVD
Its words
9.3
Read by
field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since
2026-09-29 09:45 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "sanitize-html",
            "vendor": "apostrophecms",
            "versions": [
              {
                "status": "affected",
                "version": "< 2.17.4"
              }
            ]
          }
        ],
        "source": "security-advisories@github.com"
      },
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    "cveTags": [],
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      {
        "lang": "en",
        "value": "ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of `sanitize-html` prior to 2.17.4 can turn attacker-controlled content inside a disallowed `xmp` element into live HTML or JavaScript. This is a sanitizer bypass in the default `disallowedTagsMode: 'discard'` path and can lead to stored XSS in applications that render sanitized output back to users. Version 2.17.4 patches the issue."
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        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:47735"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:47737"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:48124"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:51196"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:51197"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:51349"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:57191"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:57194"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:59593"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:60386"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:60441"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:63046"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/errata/RHSA-2026:63103"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://access.redhat.com/security/cve/CVE-2026-44990"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488565"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-rpr9-rxv7-x643"
      },
      {
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44990.json"
      }
    ],
    "sourceIdentifier": "security-advisories@github.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-79"
          }
        ],
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-79"
          }
        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ]
  }
}
—
Cvss
cvss
conflict
Red Hat8.1
receipt
Source
Red Hat
Its words
8.1
Read by
field:cvss3_score
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-44990",
  "CWE": "CWE-79",
  "advisories": [
    "RHSA-2026:51349",
    "RHSA-2026:36883",
    "RHSA-2026:70267",
    "RHSA-2026:63046",
    "RHSA-2026:57194",
    "RHSA-2026:59593",
    "RHSA-2026:47737",
    "RHSA-2026:42146",
    "RHSA-2026:46903",
    "RHSA-2026:63103",
    "RHSA-2026:41055",
    "RHSA-2026:40262",
    "RHSA-2026:41031",
    "RHSA-2026:46685",
    "RHSA-2026:46885",
    "RHSA-2026:47735",
    "RHSA-2026:57191",
    "RHSA-2026:48124",
    "RHSA-2026:43052",
    "RHSA-2026:51197",
    "RHSA-2026:47451",
    "RHSA-2026:51196",
    "RHSA-2026:66371",
    "RHSA-2026:42796",
    "RHSA-2026:36882",
    "RHSA-2026:60386",
    "RHSA-2026:60441",
    "RHSA-2026:41066",
    "RHSA-2026:41064",
    "RHSA-2026:47388",
    "RHSA-2026:46598",
    "RHSA-2026:67936"
  ],
  "affected_packages": [
    "quay/quay-rhel8:1788593843",
    "satellite/iop-vulnerability-frontend-rhel9:1785937325",
    "rhacm2/console-rhel9:1786908361",
    "quay/quay-rhel8:1784353904",
    "quay/quay-rhel9:1783955846",
    "quay/quay-rhel8:1784351966",
    "openshift4/ose-console-rhel9:1789453727",
    "openshift4/ose-console-rhel9:1788359934",
    "container-native-virtualization/kubevirt-console-plugin-rhel9:1784629964",
    "multicluster-engine/console-mce-rhel9:1786911977",
    "multicluster-engine/console-mce-rhel9:1783348181",
    "multicluster-engine/console-mce-rhel9:1785078604",
    "multicluster-engine/console-mce-rhel9:1786668856",
    "multicluster-engine/console-mce-rhel9:1783351002",
    "quay/quay-rhel8:1783750447",
    "quay/quay-rhel8:1784125838",
    "rhacm2/console-rhel9:1784578812",
    "multicluster-engine/console-mce-rhel9:1784312384",
    "devspaces/dashboard-rhel9:1784737150",
    "openshift4/ose-console-rhel9:1788573287",
    "rhacm2/console-rhel9:1783350952",
    "rhacm2/console-rhel9:1783451729",
    "container-native-virtualization/kubevirt-console-plugin-rhel9:1784844382",
    "satellite/iop-host-inventory-frontend-rhel9:1785922764",
    "satellite/iop-host-inventory-frontend-rhel9:1785956497",
    "rhacm2/console-rhel9:1787335105",
    "rhacm2/console-rhel9:1785078581",
    "openshift4/ose-console-rhel9:1788350963",
    "quay/quay-rhel8:1783751865",
    "openshift4/ose-console-rhel9:1787746382"
  ],
  "bugzilla": "2488565",
  "bugzilla_description": "sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass",
  "cvss3_score": "8.1",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-06-12T20:39:47Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-44990.json",
  "severity": "important"
}
—
Cwe
cwe
Red HatCWE-79
receipt
Source
Red Hat
Its words
CWE-79
Read by
field:CWE
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-44990",
  "CWE": "CWE-79",
  "advisories": [
    "RHSA-2026:51349",
    "RHSA-2026:36883",
    "RHSA-2026:70267",
    "RHSA-2026:63046",
    "RHSA-2026:57194",
    "RHSA-2026:59593",
    "RHSA-2026:47737",
    "RHSA-2026:42146",
    "RHSA-2026:46903",
    "RHSA-2026:63103",
    "RHSA-2026:41055",
    "RHSA-2026:40262",
    "RHSA-2026:41031",
    "RHSA-2026:46685",
    "RHSA-2026:46885",
    "RHSA-2026:47735",
    "RHSA-2026:57191",
    "RHSA-2026:48124",
    "RHSA-2026:43052",
    "RHSA-2026:51197",
    "RHSA-2026:47451",
    "RHSA-2026:51196",
    "RHSA-2026:66371",
    "RHSA-2026:42796",
    "RHSA-2026:36882",
    "RHSA-2026:60386",
    "RHSA-2026:60441",
    "RHSA-2026:41066",
    "RHSA-2026:41064",
    "RHSA-2026:47388",
    "RHSA-2026:46598",
    "RHSA-2026:67936"
  ],
  "affected_packages": [
    "quay/quay-rhel8:1788593843",
    "satellite/iop-vulnerability-frontend-rhel9:1785937325",
    "rhacm2/console-rhel9:1786908361",
    "quay/quay-rhel8:1784353904",
    "quay/quay-rhel9:1783955846",
    "quay/quay-rhel8:1784351966",
    "openshift4/ose-console-rhel9:1789453727",
    "openshift4/ose-console-rhel9:1788359934",
    "container-native-virtualization/kubevirt-console-plugin-rhel9:1784629964",
    "multicluster-engine/console-mce-rhel9:1786911977",
    "multicluster-engine/console-mce-rhel9:1783348181",
    "multicluster-engine/console-mce-rhel9:1785078604",
    "multicluster-engine/console-mce-rhel9:1786668856",
    "multicluster-engine/console-mce-rhel9:1783351002",
    "quay/quay-rhel8:1783750447",
    "quay/quay-rhel8:1784125838",
    "rhacm2/console-rhel9:1784578812",
    "multicluster-engine/console-mce-rhel9:1784312384",
    "devspaces/dashboard-rhel9:1784737150",
    "openshift4/ose-console-rhel9:1788573287",
    "rhacm2/console-rhel9:1783350952",
    "rhacm2/console-rhel9:1783451729",
    "container-native-virtualization/kubevirt-console-plugin-rhel9:1784844382",
    "satellite/iop-host-inventory-frontend-rhel9:1785922764",
    "satellite/iop-host-inventory-frontend-rhel9:1785956497",
    "rhacm2/console-rhel9:1787335105",
    "rhacm2/console-rhel9:1785078581",
    "openshift4/ose-console-rhel9:1788350963",
    "quay/quay-rhel8:1783751865",
    "openshift4/ose-console-rhel9:1787746382"
  ],
  "bugzilla": "2488565",
  "bugzilla_description": "sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass",
  "cvss3_score": "8.1",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-06-12T20:39:47Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-44990.json",
  "severity": "important"
}
—
Packages
packages
Red Hatquay/quay-rhel8:1788593843, satellite/iop-vulnerability-frontend-rhel9:1785937325, rhacm2/console-rhel9:1786908361, quay/quay-rhel8:1784353904, quay/quay-rhel9:1783955846, quay/quay-rhel8:1784351966, openshift4/ose-console-rhel9:1789453727, openshift4/ose-console-rhel9:1788359934, container-native-virtualization/kubevirt-console-plugin-rhel9:1784629964, multicluster-engine/console-mce-rhel9:1786911977, multicluster-engine/console-mce-rhel9:1783348181, multicluster-engine/console-mce-rhel9:1785078604, multicluster-engine/console-mce-rhel9:1786668856, multicluster-engine/console-mce-rhel9:1783351002, quay/quay-rhel8:1783750447, quay/quay-rhel8:1784125838, rhacm2/console-rhel9:1784578812, multicluster-engine/console-mce-rhel9:1784312384, devspaces/dashboard-rhel9:1784737150, openshift4/ose-console-rhel9:1788573287, rhacm2/console-rhel9:1783350952, rhacm2/console-rhel9:1783451729, container-native-virtualization/kubevirt-console-plugin-rhel9:1784844382, satellite/iop-host-inventory-frontend-rhel9:1785922764, satellite/iop-host-inventory-frontend-rhel9:1785956497, rhacm2/console-rhel9:1787335105, rhacm2/console-rhel9:1785078581, openshift4/ose-console-rhel9:1788350963, quay/quay-rhel8:1783751865, openshift4/ose-console-rhel9:1787746382
receipt
Source
Red Hat
Its words
quay/quay-rhel8:1788593843, satellite/iop-vulnerability-frontend-rhel9:1785937325, rhacm2/console-rhel9:1786908361, quay/quay-rhel8:1784353904, quay/quay-rhel9:1783955846, quay/quay-rhel8:1784351966, openshift4/ose-console-rhel9:1789453727, openshift4/ose-console-rhel9:1788359934, container-native-virtualization/kubevirt-console-plugin-rhel9:1784629964, multicluster-engine/console-mce-rhel9:1786911977, multicluster-engine/console-mce-rhel9:1783348181, multicluster-engine/console-mce-rhel9:1785078604, multicluster-engine/console-mce-rhel9:1786668856, multicluster-engine/console-mce-rhel9:1783351002, quay/quay-rhel8:1783750447, quay/quay-rhel8:1784125838, rhacm2/console-rhel9:1784578812, multicluster-engine/console-mce-rhel9:1784312384, devspaces/dashboard-rhel9:1784737150, openshift4/ose-console-rhel9:1788573287, rhacm2/console-rhel9:1783350952, rhacm2/console-rhel9:1783451729, container-native-virtualization/kubevirt-console-plugin-rhel9:1784844382, satellite/iop-host-inventory-frontend-rhel9:1785922764, satellite/iop-host-inventory-frontend-rhel9:1785956497, rhacm2/console-rhel9:1787335105, rhacm2/console-rhel9:1785078581, openshift4/ose-console-rhel9:1788350963, quay/quay-rhel8:1783751865, openshift4/ose-console-rhel9:1787746382
Read by
field:affected_packages[]
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-44990",
  "CWE": "CWE-79",
  "advisories": [
    "RHSA-2026:51349",
    "RHSA-2026:36883",
    "RHSA-2026:70267",
    "RHSA-2026:63046",
    "RHSA-2026:57194",
    "RHSA-2026:59593",
    "RHSA-2026:47737",
    "RHSA-2026:42146",
    "RHSA-2026:46903",
    "RHSA-2026:63103",
    "RHSA-2026:41055",
    "RHSA-2026:40262",
    "RHSA-2026:41031",
    "RHSA-2026:46685",
    "RHSA-2026:46885",
    "RHSA-2026:47735",
    "RHSA-2026:57191",
    "RHSA-2026:48124",
    "RHSA-2026:43052",
    "RHSA-2026:51197",
    "RHSA-2026:47451",
    "RHSA-2026:51196",
    "RHSA-2026:66371",
    "RHSA-2026:42796",
    "RHSA-2026:36882",
    "RHSA-2026:60386",
    "RHSA-2026:60441",
    "RHSA-2026:41066",
    "RHSA-2026:41064",
    "RHSA-2026:47388",
    "RHSA-2026:46598",
    "RHSA-2026:67936"
  ],
  "affected_packages": [
    "quay/quay-rhel8:1788593843",
    "satellite/iop-vulnerability-frontend-rhel9:1785937325",
    "rhacm2/console-rhel9:1786908361",
    "quay/quay-rhel8:1784353904",
    "quay/quay-rhel9:1783955846",
    "quay/quay-rhel8:1784351966",
    "openshift4/ose-console-rhel9:1789453727",
    "openshift4/ose-console-rhel9:1788359934",
    "container-native-virtualization/kubevirt-console-plugin-rhel9:1784629964",
    "multicluster-engine/console-mce-rhel9:1786911977",
    "multicluster-engine/console-mce-rhel9:1783348181",
    "multicluster-engine/console-mce-rhel9:1785078604",
    "multicluster-engine/console-mce-rhel9:1786668856",
    "multicluster-engine/console-mce-rhel9:1783351002",
    "quay/quay-rhel8:1783750447",
    "quay/quay-rhel8:1784125838",
    "rhacm2/console-rhel9:1784578812",
    "multicluster-engine/console-mce-rhel9:1784312384",
    "devspaces/dashboard-rhel9:1784737150",
    "openshift4/ose-console-rhel9:1788573287",
    "rhacm2/console-rhel9:1783350952",
    "rhacm2/console-rhel9:1783451729",
    "container-native-virtualization/kubevirt-console-plugin-rhel9:1784844382",
    "satellite/iop-host-inventory-frontend-rhel9:1785922764",
    "satellite/iop-host-inventory-frontend-rhel9:1785956497",
    "rhacm2/console-rhel9:1787335105",
    "rhacm2/console-rhel9:1785078581",
    "openshift4/ose-console-rhel9:1788350963",
    "quay/quay-rhel8:1783751865",
    "openshift4/ose-console-rhel9:1787746382"
  ],
  "bugzilla": "2488565",
  "bugzilla_description": "sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass",
  "cvss3_score": "8.1",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-06-12T20:39:47Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-44990.json",
  "severity": "important"
}
—
Product
product
NVDsanitize-html
receipt
Source
NVD
Its words
sanitize-html
Read by
field:cve.affected[].affectedData[].product
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
2026-09-29 17:49 UTCsanitize-html
2026-09-29 09:45 UTC—
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "sanitize-html",
            "vendor": "apostrophecms",
            "versions": [
              {
                "status": "affected",
                "version": "< 2.17.4"
              }
            ]
          }
        ],
        "source": "security-advisories@github.com"
      },
      {
        "affectedData": [
          {
            "collectionURL": "https://catalog.redhat.com/software/containers/",
            "cpes": [
              "cpe:/a:redhat:multicluster_engine:2.10::el9"
            ],
            "defaultStatus": "affected",
            "packageName": "multicluster-engine/console-mce-rhel9",
            "product": "multicluster engine for Kubernetes 2.1",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "1784312384",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://catalog.redhat.com/software/containers/",
            "cpes": [
              "cpe:/a:redhat:multicluster_engine:2.11::el9"
            ],
            "defaultStatus": "affected",
            "packageName": "multicluster-engine/console-mce-rhel9",
            "product": "multicluster engine for Kubernetes 2.11",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "1786911977",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://catalog.redhat.com/software/containers/",
            "cpes": [
              "cpe:/a:redhat:multicluster_engine:2.17::el9"
            ],
            "defaultStatus": "affected",
            "packageName": "multicluster-engine/console-mce-rhel9",
            "product": "multicluster engine for Kubernetes 2.17",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "1786668856",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://catalog.redhat.com/software/containers/",
            "cpes": [
              "cpe:/a:redhat:multicluster_engine:2.6::el9"
            ],
            "defaultStatus": "affected",
            "packageName": "multicluster-engine/console-mce-rhel9",
            "product": "multicluster engine for Kubernetes 2.6",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "1783351002",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://catalog.redhat.com/software/containers/",
            "cpes": [
              "cpe:/a:redhat:multicluster_engine:2.8::el9"
            ],
            "defaultStatus": "affected",
            "packageName": "multicluster-engine/console-mce-rhel9",
            "product": "multicluster engine for Kubernetes 2.8",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "1785078604",
                "versionType": "rpm"
              }
            ]
          },
          {
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        ],
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ]
  }
}
—
Severity
severity
Red Hatimportant
A flaw that can easily compromise confidentiality, integrity or availability.
receipt
Source
Red Hat
Its words
important
Read by
field:severity
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-44990",
  "CWE": "CWE-79",
  "advisories": [
    "RHSA-2026:51349",
    "RHSA-2026:36883",
    "RHSA-2026:70267",
    "RHSA-2026:63046",
    "RHSA-2026:57194",
    "RHSA-2026:59593",
    "RHSA-2026:47737",
    "RHSA-2026:42146",
    "RHSA-2026:46903",
    "RHSA-2026:63103",
    "RHSA-2026:41055",
    "RHSA-2026:40262",
    "RHSA-2026:41031",
    "RHSA-2026:46685",
    "RHSA-2026:46885",
    "RHSA-2026:47735",
    "RHSA-2026:57191",
    "RHSA-2026:48124",
    "RHSA-2026:43052",
    "RHSA-2026:51197",
    "RHSA-2026:47451",
    "RHSA-2026:51196",
    "RHSA-2026:66371",
    "RHSA-2026:42796",
    "RHSA-2026:36882",
    "RHSA-2026:60386",
    "RHSA-2026:60441",
    "RHSA-2026:41066",
    "RHSA-2026:41064",
    "RHSA-2026:47388",
    "RHSA-2026:46598",
    "RHSA-2026:67936"
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  "bugzilla": "2488565",
  "bugzilla_description": "sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass",
  "cvss3_score": "8.1",
  "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-06-12T20:39:47Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-44990.json",
  "severity": "important"
}
high
Status
status
NVDDeferred
receipt
Source
NVD
Its words
Deferred
Read by
field:cve.vulnStatus
Said since
2026-09-29 09:45 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
What the source handed over
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      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of `sanitize-html` prior to 2.17.4 can turn attacker-controlled content inside a disallowed `xmp` element into live HTML or JavaScript. This is a sanitizer bypass in the default `disallowedTagsMode: 'discard'` path and can lead to stored XSS in applications that render sanitized output back to users. Version 2.17.4 patches the issue."
      }
    ],
    "id": "CVE-2026-44990",
    "lastModified": "2026-09-10T13:20:17.020",
    "metrics": {
      "cvssMetricV31": [
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          "cvssData": {
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}
—
Vendor
vendor
NVDapostrophecms
receipt
Source
NVD
Its words
apostrophecms
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-05 12:24 UTC
Original
open at the source
2026-09-29 17:49 UTCapostrophecms
2026-09-29 09:45 UTC—
What the source handed over
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}
—

vulnerability

sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass
zetlyn/cve-redhat · 2026-06-12
cvss 8.1 cwe CWE-79 packages quay/quay-rhel8:1788593843, satellite/iop-vulnerability-frontend-rhel9:1785937325, rhacm2/console-rhel9:1786908361, quay/quay-rhel8:1784353904, quay/quay-rhel9:1783955846, quay/quay-rhel8:1784351966, openshift4/ose-console-rhel9:1789453727, openshift4/ose-console-rhel9:1788359934, container-native-virtualization/kubevirt-console-plugin-rhel9:1784629964, multicluster-engine/console-mce-rhel9:1786911977, multicluster-engine/console-mce-rhel9:1783348181, multicluster-engine/console-mce-rhel9:1785078604, multicluster-engine/console-mce-rhel9:1786668856, multicluster-engine/console-mce-rhel9:1783351002, quay/quay-rhel8:1783750447, quay/quay-rhel8:1784125838, rhacm2/console-rhel9:1784578812, multicluster-engine/console-mce-rhel9:1784312384, devspaces/dashboard-rhel9:1784737150, openshift4/ose-console-rhel9:1788573287, rhacm2/console-rhel9:1783350952, rhacm2/console-rhel9:1783451729, container-native-virtualization/kubevirt-console-plugin-rhel9:1784844382, satellite/iop-host-inventory-frontend-rhel9:1785922764, satellite/iop-host-inventory-frontend-rhel9:1785956497, rhacm2/console-rhel9:1787335105, rhacm2/console-rhel9:1785078581, openshift4/ose-console-rhel9:1788350963, quay/quay-rhel8:1783751865, openshift4/ose-console-rhel9:1787746382 severity important source
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of `sanitize-html` prior to 2.17.4 can turn attacker-controlled content inside a disallowed `xmp` element into live HTML or JavaScript. This is a sanitizer bypass in the default `disallowedTagsMode: 'discard'` path and can lead to stored XSS in applications that render sanitized output back to users. Version 2.17.4 patches the issue.
zetlyn/cve-nvd · 2026-06-12
cvss 9.3 product sanitize-html status Deferred vendor apostrophecms source