CVE-2026-119098
LifterLMS <= 10.3.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Content Question Answer
The LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'answer[]' parameter in all versions up to, and including, 10.3.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the attacker to be enrolled as a student in a course containing a Content-type quiz question; the injected payload executes in the administrator's browser session during the normal grading workflow when 'Start a Review' is clicked on the affected attempt.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes lifterlms |
≥ 0; ≤ 10.3.2 (affected, semver)
Other versions: unaffected |
CNA: Wordfence |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 6.4 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N | CNA: Wordfence |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/571f35bf-d45b-49d5-b44a-8620e954928e?source=cveCNA: Wordfence
- https://plugins.trac.wordpress.org/browser/lifterlms/tags/10.3.2/assets/js/llms-quiz-attempt-review.js#L63CNA: Wordfence
- https://plugins.trac.wordpress.org/browser/lifterlms/tags/10.3.2/templates/quiz/results-attempt-questions-list.php#L93CNA: Wordfence
- https://plugins.trac.wordpress.org/browser/lifterlms/tags/10.3.2/includes/models/model.llms.quiz.attempt.question.php#L96CNA: Wordfence
- https://plugins.trac.wordpress.org/browser/lifterlms/tags/10.3.2/includes/class.llms.ajax.handler.php#L714CNA: Wordfence
- https://plugins.trac.wordpress.org/changeset/3781956/lifterlms/trunk/assets/js/llms-quiz-attempt-review.jsCNA: Wordfence
For agents and automation
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Endpoints and access details
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