CVE-2021-24482 Related Posts for WordPress <= 2.0.4 - Authenticated Stored XSS & XFS

Medium 4.8 Published Updated

Administrators can inject malicious scripts via unsanitized heading and CSS settings in the Related Posts for WordPress plugin.

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

What is CVE-2021-24482?

CVE-2021-24482 is a medium-severity cross-site scripting vulnerability in Unknown Related Posts for WordPress, published on 19 Jul 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Related Posts for WordPress plugin through 2.0.4 does not sanitise its heading_text and CSS settings, allowing high privilege users (admin) to set XSS payloads in them, leading to Stored Cross-Site Scripting issues.

Weakness: CWE-79

Which versions are affected by CVE-2021-24482?

It affects 1 product.

Products include Never5 Related Posts.

How do I fix CVE-2021-24482?

No fix has been published for CVE-2021-24482 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-2021-24482 being exploited?

There is no known exploitation of CVE-2021-24482 in the wild and no public exploit code.

Sources

Also known as GHSA-fcp3-3hf6-755h.

Is CVE-2021-24482 in your software?

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