CVE-2024-6158 Category Posts Widget (Free < 4.9.17, Pro < 4.9.13) - Admin+ Stored XSS

Medium 4.8 Published Updated

Admins can inject malicious scripts via widget settings, leading to stored XSS attacks in WordPress sites.

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-2024-6158?

CVE-2024-6158 is a medium-severity cross-site scripting vulnerability in Unknown Category Posts Widget, published on 9 Aug 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Category Posts Widget WordPress plugin before 4.9.17, term-and-category-based-posts-widget WordPress plugin before 4.9.13 does not validate and escape some of its "Category Posts" widget settings before outputting them back in a page/post where the Widget is embed, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Weakness: CWE-79

Which versions are affected by CVE-2024-6158?

It affects 2 products.

Products include Tiptoppress Term and Category Based Posts Widget, Zephyrwest Category Posts Widget.

How do I fix CVE-2024-6158?

No fix has been published for CVE-2024-6158 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-2024-6158 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6158 exists.

Sources

Also known as GHSA-pc7f-4968-m375.

Is CVE-2024-6158 in your software?

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