Medium severity4.6NVD Advisory· Published Sep 23, 2026· Updated Sep 23, 2026
CVE-2026-81338
CVE-2026-81338
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <3.7.50
Patches
Vulnerability mechanics
References
1News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (September 21, 2026 to September 27, 2026)Wordfence Blog · Oct 1, 2026