CVE-2024-12203 RSS Icon Widget <= 5.2 - Authenticated (Administrator+) Stored Cross-Site Scripting

Medium 4.4 Published Updated

Administrators can inject arbitrary scripts via the link_color parameter in the RSS Icon Widget plugin, affecting multi-site or restricted HTML installations.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-12203?

CVE-2024-12203 is a medium-severity cross-site scripting vulnerability in brandondove RSS Icon Widget, published on 17 Jan 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The RSS Icon Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘link_color’ parameter in all versions up to, and including, 5.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Weakness: CWE-79

Which versions are affected by CVE-2024-12203?

How do I fix CVE-2024-12203?

No fix has been published for CVE-2024-12203 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-2024-12203 being exploited?

There is no known exploitation of CVE-2024-12203 in the wild and no public exploit code.

Sources

Also known as GHSA-w76c-8wxv-j35v.

Is CVE-2024-12203 in your software?

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