CVE-2025-14056 Custom Post Type UI <= 1.18.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'label' Import Parameter
Administrators can inject arbitrary scripts via the label import parameter, leading to stored XSS execution for other users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-14056?
CVE-2025-14056 is a medium-severity cross-site scripting vulnerability in webdevstudios Custom Post Type UI, published on 13 Dec 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Custom Post Type UI plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'label' parameter during custom post type import in all versions up to, and including, 1.18.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses the Tools → Get Code page.
Weakness: CWE-79
Which versions are affected by CVE-2025-14056?
How do I fix CVE-2025-14056?
No fix has been published for CVE-2025-14056 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-2025-14056 being exploited?
There is no known exploitation of CVE-2025-14056 in the wild and no public exploit code.
Sources
Also known as GHSA-gx74-2mp6-xwmq.