CVE-2026-105397

Description

LearnPress plugin for WordPress through 4.4.9.1 contains a stored cross-site scripting vulnerability that allows authenticated instructors to inject scripts via quiz question hint and explanation fields. Attackers with the Instructor role can submit unsanitized payloads through the update_question AJAX handler that execute in the session of every student taking the quiz.

References

• https://github.com/LearnPress/learnpress/commit/9db279c0d9fd3993430bb9af158658282e9bcee1
• https://plugins.svn.wordpress.org/learnpress/tags/4.4.9.1/assets/src/apps/js/frontend/quiz/components/questions/question.js
• https://plugins.svn.wordpress.org/learnpress/tags/4.4.9.1/inc/Ajax/EditQuestionAjax.php
• https://wordpress.org/plugins/learnpress/
• https://www.vulncheck.com/advisories/learnpress-wordpress-plugin-through-4.4.9.1-stored-xss-via-quiz-question-hint-and-explanation