CVE-2026-105397

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.

  • Published Oct 5, 2026
  • CVSS 5.1 medium
  • A fix is available

Affected software

CVE-2026-105397 at the National Vulnerability Database