Vulnerability Description
The JaviBola Custom Theme Test plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.5. This is due to missing or incorrect nonce validation on the options page. This makes it possible for unauthenticated attackers to change the site's active theme by modifying the jbct_theme option via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javi
- https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javi
- https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javi
- https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-
- https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-
- https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-
- https://www.wordfence.com/threat-intel/vulnerabilities/id/68a8a277-2ea6-4d75-b8c
FAQ
What is CVE-2026-8423?
CVE-2026-8423 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The JaviBola Custom Theme Test plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.5. This is due to missing or incorrect nonce validation on the...
How severe is CVE-2026-8423?
CVE-2026-8423 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-8423?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.