CVE-2025-13533 Cross-site scripting in CSS & JavaScript Toolbox
Administrators can inject arbitrary scripts via Assignment Engine fields, leading to stored XSS in the admin dashboard.
- 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-2025-13533?
CVE-2025-13533 is a medium-severity cross-site scripting vulnerability in wipeoutmedia CSS & JavaScript Toolbox, published on 18 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The CSS & JavaScript Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 12.0.6 via the Assignment Engine fields. This is due to insufficient input sanitization and output escaping on assignment data fields including Expressions, URLs, and Advanced assignment data. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the CJT block edit screen in the admin dashboard.
Weakness: CWE-79
Which versions are affected by CVE-2025-13533?
How do I fix CVE-2025-13533?
No fix has been published for CVE-2025-13533 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-2025-13533 being exploited?
There is no known exploitation of CVE-2025-13533 in the wild and no public exploit code.
Sources
Also known as GHSA-6jx6-9xqq-pg98.