What’s Vulnerable › Vulnerabilities
CVE-2025-11923: LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes - Various Versions - Authenticated (Student+) Privilege Escalation
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-11-13 · updated 2026-10-18
- Weakness: CWE-269
Description
The LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes plugin for WordPress is vulnerable to privilege escalation. This is due to the plugin not properly validating a user's identity prior to allowing them to modify their own role via the REST API. The permission check in the update_item_permissions_check() function returns true when a user updates their own account without verifying the role changes. This makes it possible for authenticated attackers, with student-level access and above, to escalate their privileges to administrator by updating their own roles array via a crafted REST API request. Another endpoint intended for instructors also provides an attack vector. Affected version ranges are 3.5.3-3.41.2, 4.0.0-4.21.3, 5.0.0-5.10.0, 6.0.0-6.11.0, 7.0.0-7.8.7, 8.0.0-8.0.7, 9.0.0-9.0.7, 9.1.0.
Affected products
- chrisbadgett LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes: from 3.5.3 through 3.41.1; from 4.0.0 through 4.21.3; from 5.0.0 through 5.10.0; from 6.0.0 through 6.11.0; from 7.0.0 through 7.8.7; from 8.0.0 through 8.0.7
References
- https://plugins.trac.wordpress.org/browser/lifterlms/trunk/libraries/lifterlms-rest/includes/abstracts/class-llms-rest-users-controller.php#L721
- https://plugins.trac.wordpress.org/browser/lifterlms/trunk/libraries/lifterlms-rest/includes/server/class-llms-rest-students-controller.php#L386
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3393703%40lifterlms%2Ftrunk&old=3388956%40lifterlms%2Ftrunk&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cc13d13c-6b79-4bf1-8e77-c8cb836dc0c5?source=cve
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