Medium severity4.3NVD Advisory· Published May 20, 2026· Updated May 20, 2026
CVE-2026-8423
CVE-2026-8423
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=2.0.5
Patches
Vulnerability mechanics
References
7- plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.phpnvd
- plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.phpnvd
- plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.phpnvd
- plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.phpnvd
- plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.phpnvd
- plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.phpnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/68a8a277-2ea6-4d75-b8cd-4d20eb17b3aanvd
News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (May 18, 2026 to May 24, 2026)Wordfence Blog · May 28, 2026