CVE-2021-42866 Cross-site scripting in n/a

Medium 4.8 Published Updated

An attacker can inject malicious scripts via the Site Description field in Pixelimity, potentially executing code in admin sessions.

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-2021-42866?

CVE-2021-42866 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Mar 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A Cross Site Scripting vulnerabilty exists in Pixelimity 1.0 via the Site Description field in pixelimity/admin/setting.php

Weakness: CWE-79

Which versions are affected by CVE-2021-42866?

It affects 1 product.

Products include Pixelimity Pixelimity.

How do I fix CVE-2021-42866?

No fix has been published for CVE-2021-42866 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-2021-42866 being exploited?

There is no known exploitation of CVE-2021-42866 in the wild and no public exploit code.

Sources

Also known as GHSA-29xq-r9ph-fp32.

Is CVE-2021-42866 in your software?

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