[ CVE-2026-81338 · Published 23 Sep 2026 ]
Vulnerability in Unknown MasterStudy LMS WordPress Plugin
CVSS 4.6
EPSS <1%No fix listed yet
[ Description ]Official description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not properly sanitise and restrict HTML in user-submitted content before storing it and rendering it to other users, allowing users with subscriber-level accounts and above to perform stored HTML injection, such as embedding iframes, that can be leveraged for phishing and content spoofing against other users viewing the content.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.