CVE-2025-9560 Cross-site scripting in Colibri Page Builder
Authenticated attackers can inject arbitrary web scripts via the colibri_newsletter shortcode, executing them when users view the page.
- 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-2025-9560?
CVE-2025-9560 is a medium-severity cross-site scripting vulnerability in extendthemes Colibri Page Builder, published on 11 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Colibri Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's colibri_newsletter shortcode in all versions up to, and including, 1.0.334 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-9560?
How do I fix CVE-2025-9560?
No fix has been published for CVE-2025-9560 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-2025-9560 being exploited?
There is no known exploitation of CVE-2025-9560 in the wild and no public exploit code.
Sources
Also known as GHSA-qp3w-8rfc-4mmq.