CVE-2024-2089 Remote Content Shortcode <= 1.5 - Authenticated (Contributor+) Stored Cross-Site Scripting

Medium 5.4 Published Updated

Authenticated contributors can inject arbitrary scripts via the remote_content shortcode, 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-2024-2089?

CVE-2024-2089 is a medium-severity cross-site scripting vulnerability in doublesharp Remote Content Shortcode, published on 30 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Remote Content Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'remote_content' shortcode in all versions up to, and including, 1.5 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-2024-2089?

How do I fix CVE-2024-2089?

No fix has been published for CVE-2024-2089 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-2024-2089 being exploited?

There is no known exploitation of CVE-2024-2089 in the wild and no public exploit code.

Sources

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