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GHSA-JVCP-QPQF-FHWG

Vulnerability from github – Published: 2026-09-11 09:31 – Updated: 2026-09-11 09:31
VLAI
Details

The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'mla_link_attributes' parameter in all versions up to, and including, 3.35 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Severity
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2026-6640"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-11T08:16:46Z",
    "severity": "MODERATE"
  },
  "details": "The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u0027mla_link_attributes\u0027 parameter in all versions up to, and including, 3.35 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.",
  "id": "GHSA-jvcp-qpqf-fhwg",
  "modified": "2026-09-11T09:31:23Z",
  "published": "2026-09-11T09:31:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6640"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-support.php#L270-L283"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-tag-cloud.php#L1041-L1046"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-tag-cloud.php#L1089-L1106"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-tag-cloud.php#L76-L95"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php#L270-L283"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-tag-cloud.php#L1041-L1046"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-tag-cloud.php#L1089-L1106"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-tag-cloud.php#L76-L95"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3512155"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ac0abf8e-6efd-4cf5-ad03-8442d892a35f?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}



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