CVE-2022-4210 Chained Quiz <= 1.3.2 - Reflected Cross-Site Scripting via dnf

Q: What is CVE-2022-4210?

CVE-2022-4210 is a medium-severity cross-site scripting vulnerability in prasunsen Chained Quiz, published on 2 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2022-4210 being exploited?

There is no known exploitation of CVE-2022-4210 in the wild and no public exploit code.

Q: How do I fix CVE-2022-4210?

No fix has been published for CVE-2022-4210 yet. Limit exposure of the affected software until one is available.

Medium 6.1 Published 2 Dec 2022 Updated 8 Apr 2026

Unauthenticated attackers can inject arbitrary web scripts via the dnf parameter, executing code in victim browsers if they click a crafted link.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-4210?

CVE-2022-4210 is a medium-severity cross-site scripting vulnerability in prasunsen Chained Quiz, published on 2 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Chained Quiz plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'dnf' parameter on the 'chainedquiz_list' page in versions up to, and including, 1.3.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Weakness: CWE-79

Which versions are affected by CVE-2022-4210?

It affects 1 product.

Products include Kibokolabs Chained Quiz.

How do I fix CVE-2022-4210?

No fix has been published for CVE-2022-4210 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-4210 being exploited?

There is no known exploitation of CVE-2022-4210 in the wild and no public exploit code.

Sources

Also known as GHSA-2m2j-5m2v-5938.