CVE-2024-9873 Community by PeepSo <= 6.4.6.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting

Medium 5.4 Published Updated

Authenticated attackers can inject arbitrary web scripts via URLs in posts, comments, and profiles when Markdown support is enabled.

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

What is CVE-2024-9873?

CVE-2024-9873 is a medium-severity cross-site scripting vulnerability in Community by PeepSo – Download from PeepSo.com, published on 16 Oct 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The Community by PeepSo – Social Network, Membership, Registration, User Profiles, Premium – Mobile App plugin for WordPress is vulnerable to Stored Cross-Site Scripting via URLs in posts, comments, and profiles when Markdown support is enabled in all versions up to, and including, 6.4.6.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2024-9873?

How do I fix CVE-2024-9873?

No fix has been published for CVE-2024-9873 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-2024-9873 being exploited?

There is no known exploitation of CVE-2024-9873 in the wild and no public exploit code.

Sources

Also known as GHSA-wwxv-j229-p2f5.

Is CVE-2024-9873 in your software?

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