CVE-2024-3888 tagDiv Composer <= 4.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via button Shortcode

Medium 6.4 Published Updated

Authenticated contributors can inject arbitrary scripts via the button shortcode in tagDiv Composer, 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-2024-3888?

CVE-2024-3888 is a medium-severity cross-site scripting vulnerability in tagDiv Composer, published on 4 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The tagDiv Composer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's button shortcode in all versions up to, and including, 4.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. NOTE: The vulnerable code in this plugin is specifically tied to the tagDiv Newspaper theme. If another theme is installed (e.g., NewsMag), this code may not be present.

Weakness: CWE-79

Which versions are affected by CVE-2024-3888?

How do I fix CVE-2024-3888?

No fix has been published for CVE-2024-3888 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-2024-3888 being exploited?

There is no known exploitation of CVE-2024-3888 in the wild and no public exploit code.

Sources

Also known as GHSA-3fv4-c2qp-rmpj.

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