CVE-2021-24613 Post Views Counter < 1.3.5 - Authenticated Stored XSS

Medium 4.8 Published Updated

High-privilege users can inject malicious scripts via Post Views Label settings, leading to stored XSS attacks on the frontend.

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-2021-24613?

CVE-2021-24613 is a medium-severity cross-site scripting vulnerability in Unknown Post Views Counter, published on 20 Sep 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Post Views Counter WordPress plugin before 1.3.5 does not sanitise or escape its Post Views Label settings, which could allow high privilege users to perform Cross-Site Scripting attacks in the frontend even when the unfiltered_html capability is disallowed

Weakness: CWE-79

Which versions are affected by CVE-2021-24613?

It affects 1 product.

Products include Dfactory Post Views Counter.

How do I fix CVE-2021-24613?

No fix has been published for CVE-2021-24613 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-2021-24613 being exploited?

There is no known exploitation of CVE-2021-24613 in the wild and no public exploit code.

Sources

Also known as GHSA-x53f-v73q-grpf.

Is CVE-2021-24613 in your software?

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