CVE-2021-36865 WordPress Quiz And Survey Master plugin <= 7.3.4 - Insecure direct object references (IDOR) vulnerability

Q: What is CVE-2021-36865?

CVE-2021-36865 is a low-severity missing authorization vulnerability in ExpressTech Quiz And Survey Master (WordPress plugin), published on 30 Sep 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Q: Is CVE-2021-36865 being exploited?

There is no known exploitation of CVE-2021-36865 in the wild and no public exploit code.

Q: How do I fix CVE-2021-36865?

No fix has been published for CVE-2021-36865 yet. Limit exposure of the affected software until one is available.

Low 3.8 Published 30 Sep 2022 Updated 28 Apr 2026

Attackers can modify quiz content by exploiting insecure direct object references in the Quiz And Survey Master plugin.

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

What is CVE-2021-36865?

CVE-2021-36865 is a low-severity missing authorization vulnerability in ExpressTech Quiz And Survey Master (WordPress plugin), published on 30 Sep 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Insecure direct object references (IDOR) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 at WordPress allows attackers to change the content of the quiz.

Weakness: CWE-639

Which versions are affected by CVE-2021-36865?

It affects 1 product.

Products include Quizandsurveymaster Quiz and Survey Master.

How do I fix CVE-2021-36865?

No fix has been published for CVE-2021-36865 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-2021-36865 being exploited?

There is no known exploitation of CVE-2021-36865 in the wild and no public exploit code.

Sources

Also known as GHSA-qmgp-3m36-hh24.