The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to...

zetlyn/cve-ghsa vulnerability ghsa GHSA-x9w3-97r6-g49g cve CVE-2026-92977 known 2026-10-03

https://github.com/advisories/GHSA-x9w3-97r6-g49g

Properties

cvss7.2
receipt
Source
GitHub advisories
Its words
7.2
Read by
field:cvss.score
Said since
2026-10-03 12:05 UTC
Last answered
2026-10-04 18:15 UTC
Original
open at the source
What the source handed over
{
  "comments": 0,
  "credits": [],
  "cve_id": "CVE-2026-92977",
  "cvss": {
    "score": 7.2,
    "vector_string": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
  },
  "cvss_severities": {
    "cvss_v3": {
      "score": 7.2,
      "vector_string": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
    },
    "cvss_v4": {
      "score": 0.0,
      "vector_string": null
    }
  },
  "cwes": [
    {
      "cwe_id": "CWE-79",
      "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
    }
  ],
  "description": "The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment in all versions up to, and including, 5.3.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Malicious script payloads placed in the title attribute of an anchor tag survive WordPress's comment kses filter at save time, as the payload is only promoted to executable HTML attributes when the plugin's page-wide regex strips the closing quote delimiter at render time; exploitability is therefore subject to the standard comment moderation workflow before the comment is publicly displayed.",
  "ghsa_id": "GHSA-x9w3-97r6-g49g",
  "github_reviewed_at": null,
  "html_url": "https://github.com/advisories/GHSA-x9w3-97r6-g49g",
  "identifiers": [
    {
      "type": "GHSA",
      "value": "GHSA-x9w3-97r6-g49g"
    },
    {
      "type": "CVE",
      "value": "CVE-2026-92977"
    }
  ],
  "nvd_published_at": "2026-10-03T04:18:04Z",
  "published_at": "2026-10-03T06:31:11Z",
  "references": [
    "https://nvd.nist.gov/vuln/detail/CVE-2026-92977",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/inc/view/Blocker.php#L213",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/inc/view/Blocker.php#L233",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/vendor/devowl-wp/fast-html-tag/src/FastHtmlTag.php#L166",
    "https://plugins.trac.wordpress.org/changeset?reponame=&old=3710645%40real-cookie-banner&new=3710645%40real-cookie-banner",
    "https://www.wordfence.com/threat-intel/vulnerabilities/id/32fbba37-208c-4e94-8d07-f3fd14ee2ee1?source=cve",
    "https://github.com/advisories/GHSA-x9w3-97r6-g49g"
  ],
  "repository_advisory_url": null,
  "severity": "high",
  "source_code_location": "",
  "summary": "The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to...",
  "type": "unreviewed",
  "updated_at": "2026-10-03T06:31:13Z",
  "url": "https://api.github.com/advisories/GHSA-x9w3-97r6-g49g",
  "vulnerabilities": [],
  "withdrawn_at": null
}
cweCWE-79
receipt
Source
GitHub advisories
Its words
CWE-79
Read by
field:cwes[].cwe_id
Said since
2026-10-03 12:05 UTC
Last answered
2026-10-04 18:15 UTC
Original
open at the source
What the source handed over
{
  "comments": 0,
  "credits": [],
  "cve_id": "CVE-2026-92977",
  "cvss": {
    "score": 7.2,
    "vector_string": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
  },
  "cvss_severities": {
    "cvss_v3": {
      "score": 7.2,
      "vector_string": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
    },
    "cvss_v4": {
      "score": 0.0,
      "vector_string": null
    }
  },
  "cwes": [
    {
      "cwe_id": "CWE-79",
      "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
    }
  ],
  "description": "The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment in all versions up to, and including, 5.3.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Malicious script payloads placed in the title attribute of an anchor tag survive WordPress's comment kses filter at save time, as the payload is only promoted to executable HTML attributes when the plugin's page-wide regex strips the closing quote delimiter at render time; exploitability is therefore subject to the standard comment moderation workflow before the comment is publicly displayed.",
  "ghsa_id": "GHSA-x9w3-97r6-g49g",
  "github_reviewed_at": null,
  "html_url": "https://github.com/advisories/GHSA-x9w3-97r6-g49g",
  "identifiers": [
    {
      "type": "GHSA",
      "value": "GHSA-x9w3-97r6-g49g"
    },
    {
      "type": "CVE",
      "value": "CVE-2026-92977"
    }
  ],
  "nvd_published_at": "2026-10-03T04:18:04Z",
  "published_at": "2026-10-03T06:31:11Z",
  "references": [
    "https://nvd.nist.gov/vuln/detail/CVE-2026-92977",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/inc/view/Blocker.php#L213",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/inc/view/Blocker.php#L233",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/vendor/devowl-wp/fast-html-tag/src/FastHtmlTag.php#L166",
    "https://plugins.trac.wordpress.org/changeset?reponame=&old=3710645%40real-cookie-banner&new=3710645%40real-cookie-banner",
    "https://www.wordfence.com/threat-intel/vulnerabilities/id/32fbba37-208c-4e94-8d07-f3fd14ee2ee1?source=cve",
    "https://github.com/advisories/GHSA-x9w3-97r6-g49g"
  ],
  "repository_advisory_url": null,
  "severity": "high",
  "source_code_location": "",
  "summary": "The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to...",
  "type": "unreviewed",
  "updated_at": "2026-10-03T06:31:13Z",
  "url": "https://api.github.com/advisories/GHSA-x9w3-97r6-g49g",
  "vulnerabilities": [],
  "withdrawn_at": null
}
severityhigh
From 7.0 to 8.9.
receipt
Source
GitHub advisories
Its words
high
Read by
field:severity
Said since
2026-10-03 12:05 UTC
Last answered
2026-10-04 18:15 UTC
Original
open at the source
What the source handed over
{
  "comments": 0,
  "credits": [],
  "cve_id": "CVE-2026-92977",
  "cvss": {
    "score": 7.2,
    "vector_string": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
  },
  "cvss_severities": {
    "cvss_v3": {
      "score": 7.2,
      "vector_string": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
    },
    "cvss_v4": {
      "score": 0.0,
      "vector_string": null
    }
  },
  "cwes": [
    {
      "cwe_id": "CWE-79",
      "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
    }
  ],
  "description": "The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment in all versions up to, and including, 5.3.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Malicious script payloads placed in the title attribute of an anchor tag survive WordPress's comment kses filter at save time, as the payload is only promoted to executable HTML attributes when the plugin's page-wide regex strips the closing quote delimiter at render time; exploitability is therefore subject to the standard comment moderation workflow before the comment is publicly displayed.",
  "ghsa_id": "GHSA-x9w3-97r6-g49g",
  "github_reviewed_at": null,
  "html_url": "https://github.com/advisories/GHSA-x9w3-97r6-g49g",
  "identifiers": [
    {
      "type": "GHSA",
      "value": "GHSA-x9w3-97r6-g49g"
    },
    {
      "type": "CVE",
      "value": "CVE-2026-92977"
    }
  ],
  "nvd_published_at": "2026-10-03T04:18:04Z",
  "published_at": "2026-10-03T06:31:11Z",
  "references": [
    "https://nvd.nist.gov/vuln/detail/CVE-2026-92977",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/inc/view/Blocker.php#L213",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/inc/view/Blocker.php#L233",
    "https://plugins.trac.wordpress.org/browser/real-cookie-banner/tags/5.3.0/vendor/devowl-wp/fast-html-tag/src/FastHtmlTag.php#L166",
    "https://plugins.trac.wordpress.org/changeset?reponame=&old=3710645%40real-cookie-banner&new=3710645%40real-cookie-banner",
    "https://www.wordfence.com/threat-intel/vulnerabilities/id/32fbba37-208c-4e94-8d07-f3fd14ee2ee1?source=cve",
    "https://github.com/advisories/GHSA-x9w3-97r6-g49g"
  ],
  "repository_advisory_url": null,
  "severity": "high",
  "source_code_location": "",
  "summary": "The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to...",
  "type": "unreviewed",
  "updated_at": "2026-10-03T06:31:13Z",
  "url": "https://api.github.com/advisories/GHSA-x9w3-97r6-g49g",
  "vulnerabilities": [],
  "withdrawn_at": null
}

Text

The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to... The Real Cookie Banner: GDPR & ePrivacy Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment in all versions up to, and including, 5.3.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Malicious script payloads placed in the title attribute of an anchor tag survive WordPress's comment kses filter at save time, as the payload is only promoted to executable HTML attributes when the plugin's page-wide regex strips the closing quote delimiter at render time; exploitability is therefore subject to the standard comment moderation workflow before the comment is publicly displayed.