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CSS & JavaScript Toolbox vulnerabilities
CSS & JavaScript Toolbox has 3 known vulnerabilities in this database. The most recent published record is dated 25 Sep 2026.
- Known vulnerabilities
- 3
- Active installs
- 10,000+
- Latest version
- 12.0.7
- Last updated
- 26 Aug 2026
- Most recent
- 25 Sep 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2025-14814 | Medium 6.4 | Up to 12.0.6 | Fixed in a later version (latest 12.0.7) | 12 d ago |
| Cross-site scripting (XSS) CVE-2025-13533 | Medium 4.4 | Up to 12.0.6 | Fixed in a later version (latest 12.0.7) | 18 Sep 2026 |
| Cross-site scripting (XSS) CVE-2025-11928 | Medium 4.4 | Up to 12.0.5 | Fixed in a later version (latest 12.0.7) | 1 Nov 2025 |
Read the published descriptions
- CVE-2025-14814, 25 Sep 2026
- The CSS & JavaScript Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's cjtoolbox shortcode in all versions up to, and including, 12.0.6 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. CVE record
- CVE-2025-13533, 18 Sep 2026
- 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. CVE record
- CVE-2025-11928, 1 Nov 2025
- 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. CVE record
What to do if you run CSS & JavaScript Toolbox
If you run CSS & JavaScript Toolbox, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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