Description
The CSS & JavaScript Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 12.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Problem types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Product status
* (semver)
Timeline
| 2025-10-24: | Vendor Notified |
| 2025-10-31: | Disclosed |
Credits
Chairat Toraya
References
www.wordfence.com/...-9840-450e-90cd-c20de53f5cb5?source=cve
plugins.trac.wordpress.org/...-toolbox&sfp_email=&sfph_mail=