CVE-2021-24793 WPeMatico RSS Feed Fetcher < 2.6.12 - Admin+ Stored Cross-Site Scripting

Medium 4.8 Published Updated

High-privilege users can inject malicious scripts via Feed URLs in WPeMatico RSS Feed Fetcher, leading to stored XSS attacks.

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-2021-24793?

CVE-2021-24793 is a medium-severity cross-site scripting vulnerability in Unknown WPeMatico RSS Feed Fetcher, published on 1 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.6.12 does not escape the Feed URL added to a campaign before outputting it in an attribute, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Weakness: CWE-79

Which versions are affected by CVE-2021-24793?

It affects 1 product.

Products include Etruel Wpematico Rss Feed Fetcher.

How do I fix CVE-2021-24793?

No fix has been published for CVE-2021-24793 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-2021-24793 being exploited?

There is no known exploitation of CVE-2021-24793 in the wild and no public exploit code.

Sources

Also known as GHSA-925j-9rm8-66vf.

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