CVE-2026-13332: critical vulnerability in Masteriyo LMS
Masteriyo LMS < 2.3.1 - Unauthenticated Arbitrary User Session Termination (Denial of Service)
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.1epss 0.4%
The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions (force-logout) of any user on the site, including administrators.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Unknown · Masteriyo LMSpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/f987c823-f215-48f6-86fe-8d898f2c2d94/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Masteriyo LMS
In the same product, most dangerous first.
CVE-2026-82845CRITICALMasteriyo LMS < 3.4.1 - Subscriber+ PHP Object InjectionEPSS 0.6%CVE-2026-82847MEDIUMMasteriyo LMS < 3.4.1 - Instructor+ Stored XSS via Course HighlightsEPSS 0.4%CVE-2026-82846MEDIUMMasteriyo LMS 1.18.0 - 2.3.3 - Instructor+ Stored XSS via Course Custom FieldsEPSS 0.4%CVE-2026-82848MEDIUMMasteriyo LMS 1.3.1 - 2.3.3 - Unauthenticated Course Enrollment DisclosureEPSS 0.3%CVE-2026-82851LOWMasteriyo LMS 1.14.0 - 3.4.0 - Instructor+ Arbitrary Post Disclosure via IDOREPSS 0.3%CVE-2026-10824MEDIUMMasteriyo LMS < 2.2.1 - Unauthenticated Course Progress Disclosure and DeletionEPSS 0.3%