CVE-2026-81338

MEDIUMCVSS 4.6

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.

Timeline

Published:September 23rd, 2026 6:17 AM

Last modified:September 23rd, 2026 6:13 PM

CVSS Scoring

CVSS v3: 4.6 (MEDIUM)

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Weaknesses (CWE)

CWE-345

References & Reports

Advisories, patches, and third-party reports

https://wpscan.com/vulnerability/e8494c71-fb0f-4ab9-a8b7-8db3745a2d9b/

Source: NIST NVD · Data may lag official sources by up to one minute