CVE-2025-11764 Shortcodes Bootstrap <= 1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

Medium 6.4 Published Updated

Authenticated contributors can inject arbitrary scripts via the notification 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-2025-11764?

CVE-2025-11764 is a medium-severity cross-site scripting vulnerability in fastmover Shortcodes Bootstrap, published on 21 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Shortcodes Bootstrap plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'type' parameter in the [notification] shortcode in all versions up to, and including, 1.1. This is due to missing input sanitization and output escaping. 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.

Weakness: CWE-79

Which versions are affected by CVE-2025-11764?

How do I fix CVE-2025-11764?

No fix has been published for CVE-2025-11764 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-2025-11764 being exploited?

There is no known exploitation of CVE-2025-11764 in the wild and no public exploit code.

Sources

Also known as GHSA-pcmv-qhmv-f3c9.

Is CVE-2025-11764 in your software?

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