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CVE-2022-4216 Chained Quiz <= 1.3.2.2 - Authenticated (Admin+) Stored Cross-Site Scripting via Facebook App ID

Medium 5.5 Published Updated

Administrators can inject arbitrary scripts via the Facebook App ID field, leading to stored XSS execution for other users.

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-2022-4216?

CVE-2022-4216 is a medium-severity cross-site scripting vulnerability in prasunsen Chained Quiz, published on 2 Dec 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The Chained Quiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'facebook_appid' parameter in versions up to, and including, 1.3.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrative privileges to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2022-4216?

It affects 1 product.

Products include Kibokolabs Chained Quiz.

How do I fix CVE-2022-4216?

No fix has been published for CVE-2022-4216 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-2022-4216 being exploited?

There is no known exploitation of CVE-2022-4216 in the wild and no public exploit code.

Sources

Also known as GHSA-x668-cjp3-p737.

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