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6.8 Medium

CVE-2026-82846 The Masteriyo LMS WordPress plugin before 3.4.0 does not sanitise and escape some course settings before outputting…

Description

The Masteriyo LMS WordPress plugin before 3.4.0 does not sanitise and escape some course settings before outputting them in a page available to all visitors, allowing users with a course-author role to perform Stored Cross-Site Scripting attacks that run in the session of anyone viewing the course, including a logged-in administrator.

Affected products and versions

Product Affected versions Fixed in
Masteriyo LMS 1.18 1.18.0 → < 3.4.0 3.4.0

Other CVEs of Masteriyo LMS

The 10 CVEs of Masteriyo LMS →
CVE-2026-82850 The Masteriyo LMS WordPress plugin before 3.4.2 does not restrict access to quiz answer keys, allowing any… 4.3 Medium CVE-2026-82849 The Masteriyo LMS WordPress plugin before 3.4.2 does not verify that the user making the request owns the… 4.3 Medium CVE-2026-82847 The Masteriyo LMS WordPress plugin before 3.4.1 does not sanitise and escape one of its course fields before outputting… 6.8 Medium CVE-2026-82851 The Masteriyo LMS WordPress plugin before 3.4.1 does not verify ownership of, or restrict the type of, the records a… 2.7 Low
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