CVE-2026-81338 — MasterStudy LMS < 3.7.50 - Subscriber+ Stored HTML Injection via Course Discussions
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…
Published: 2026-09-23 · CVSS: 4.6 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7