CVE-2026-62140 WordPress Quiz And Survey Master plugin <= 11.2.5 - Insecure Direct Object References (IDOR) vulnerability

Medium 5.3 Published Updated

Unauthenticated attackers can access or modify quiz data via IDOR in the Quiz And Survey Master WordPress plugin.

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-2026-62140?

CVE-2026-62140 is a medium-severity missing authorization vulnerability in ExpressTech Systems Quiz And Survey Master, published on 11 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated Insecure Direct Object References (IDOR) in Quiz And Survey Master <= 11.2.5 versions.

Weakness: CWE-639

Which versions are affected by CVE-2026-62140?

How do I fix CVE-2026-62140?

No fix has been published for CVE-2026-62140 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-62140 being exploited?

There is no known exploitation of CVE-2026-62140 in the wild and no public exploit code.

Sources

Also known as GHSA-8w4v-9c8x-pcjp.

Is CVE-2026-62140 in your software?

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