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Critical 9.1Published Jul 27, 2026

CVE-2026-13332Masteriyo LMS < 2.3.1 - Unauthenticated Arbitrary User Session Termination (Denial of Service)

Updated under an hour ago ()

Does this affect you?

It affects Unknown Masteriyo LMS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
9.1 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-287
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WPScan
NVD analysis
Deferred
Record last updated
Jul 27, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Unknown Masteriyo LMS
unknown:masteriyo_lms (from the name)
before 2.3.1
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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