CVE-2025-13533

medium

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/98ef6eeb-9fd5-4ecc-a75a-e17884b9d41a?source=cve

https://plugins.trac.wordpress.org/changeset?reponame=&old=3667323%40css-javascript-toolbox&new=3667323%40css-javascript-toolbox

https://plugins.trac.wordpress.org/browser/css-javascript-toolbox/trunk/controllers/block-ajax.php#L184

https://plugins.trac.wordpress.org/browser/css-javascript-toolbox/tags/12.0.6/controllers/block-ajax.php#L184

https://gist.github.com/e578d548291225c116a5827ad205a9e9

Details

Source: Mitre, NVD

Published: 2026-09-18

Updated: 2026-09-18

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:N/AC:H/Au:M/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4.4

Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00195