CVE-2026-42743 WordPress Masteriyo - LMS plugin <= 2.1.8 - Broken Authentication vulnerability

Medium 6.5 Published Updated

Unauthenticated attackers can bypass authentication in the Masteriyo LMS plugin, potentially gaining unauthorized access to learning management features.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-42743?

CVE-2026-42743 is a medium-severity authentication bypass vulnerability in ThemeGrill Masteriyo - LMS, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated Broken Authentication in Masteriyo - LMS <= 2.1.8 versions.

Weakness: CWE-347

Which versions are affected by CVE-2026-42743?

How do I fix CVE-2026-42743?

No fix has been published for CVE-2026-42743 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-42743 being exploited?

There is no known exploitation of CVE-2026-42743 in the wild and no public exploit code.

Sources

Also known as GHSA-jmqx-7p3p-v5pc.

Is CVE-2026-42743 in your software?

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