CVE-2025-11802 Bulma Shortcodes <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

Medium 6.4 Published Updated

Authenticated contributors can inject arbitrary scripts via the bulma-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-2025-11802?

CVE-2025-11802 is a medium-severity cross-site scripting vulnerability in bartboy011 Bulma Shortcodes, published on 21 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Bulma Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'type' shortcode attribute in the bulma-notification shortcode in all versions up to, and including, 1.0. This is due to insufficient 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-2025-11802?

How do I fix CVE-2025-11802?

No fix has been published for CVE-2025-11802 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-2025-11802 being exploited?

There is no known exploitation of CVE-2025-11802 in the wild and no public exploit code.

Sources

Also known as GHSA-x4rx-fxpc-39hv.

Is CVE-2025-11802 in your software?

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