CVE-2025-14469
Description
The Theme Editor plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.1. This is due to missing nonce validation on the ms_update AJAX action. This makes it possible for unauthenticated attackers to modify child theme CSS styles via a forged request granted they can trick an administrator into performing an action such as clicking on a link.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://plugins.trac.wordpress.org/browser/theme-editor/trunk/includes/classes/ms_theme_editor_controller.php#L13
- https://plugins.trac.wordpress.org/browser/theme-editor/trunk/includes/classes/ms_theme_editor_controller.php#L60
- https://wordpress.org/plugins/theme-editor/#developers
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1dd4e39a-9b2f-4728-b026-2dee60257c46?source=cve
CWEs
CWE-352
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.