CVE-2024-0254 (Simply) Guest Author Name <= 4.34 - Authenticated (Contributor+) Stored Cross-Site Scripting

Medium 6.4 Published Updated

Authenticated contributors can inject arbitrary scripts via post meta, leading to stored XSS execution for other users.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-0254?

CVE-2024-0254 is a medium-severity cross-site scripting vulnerability in nomadcoder (Simply) Guest Author Name, published on 5 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The (Simply) Guest Author Name plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's post meta in all versions up to, and including, 4.34 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions 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-2024-0254?

It affects 1 product.

Products include Shooflysolutions \(Simply\) Guest Author Name.

How do I fix CVE-2024-0254?

No fix has been published for CVE-2024-0254 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-2024-0254 being exploited?

There is no known exploitation of CVE-2024-0254 in the wild and no public exploit code.

Sources

Also known as GHSA-498h-4fxq-xcr3.

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