GHSA-WCW2-CV2C-X8CM

Vulnerability from github – Published: 2026-04-17 06:31 – Updated: 2026-04-17 06:31
VLAI?
Details

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to unauthorized course content manipulation in versions up to and including 3.9.8. This is due to a missing authorization check in the tutor_update_course_content_order() function. The function only validates the nonce (CSRF protection) but does not verify whether the user has permission to manage course content. The can_user_manage() authorization check only executes when the 'content_parent' parameter is present in the request. When this parameter is omitted, the function proceeds directly to save_course_content_order() which manipulates the wp_posts table without any authorization validation. This makes it possible for authenticated attackers with subscriber-level access and above to detach all lessons from any topic, move lessons between topics, and modify the menu_order of course content, effectively allowing them to disrupt the structure of any course on the site.

Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2026-5502"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-17T05:16:19Z",
    "severity": "MODERATE"
  },
  "details": "The Tutor LMS \u2013 eLearning and online course solution plugin for WordPress is vulnerable to unauthorized course content manipulation in versions up to and including 3.9.8. This is due to a missing authorization check in the tutor_update_course_content_order() function. The function only validates the nonce (CSRF protection) but does not verify whether the user has permission to manage course content. The can_user_manage() authorization check only executes when the \u0027content_parent\u0027 parameter is present in the request. When this parameter is omitted, the function proceeds directly to save_course_content_order() which manipulates the wp_posts table without any authorization validation. This makes it possible for authenticated attackers with subscriber-level access and above to detach all lessons from any topic, move lessons between topics, and modify the menu_order of course content, effectively allowing them to disrupt the structure of any course on the site.",
  "id": "GHSA-wcw2-cv2c-x8cm",
  "modified": "2026-04-17T06:31:08Z",
  "published": "2026-04-17T06:31:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5502"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.7/classes/Course.php#L1700"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.7/classes/Course.php#L1789"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/tutor/trunk/classes/Course.php#L1700"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/tutor/trunk/classes/Course.php#L1789"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3505142/tutor/tags/3.9.9/classes/Course.php"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f32ae42d-dd1f-41d7-8ae4-ddec56d78ae6?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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