CVE-2025-9890HIGH 8.8EPSS p28.3%
CVE-2025-9890CVE-2025-9890
Description
The Theme Editor plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.0. This is due to missing or incorrect nonce validation on the 'theme_editor_theme' page. This makes it possible for unauthenticated attackers to achieve remote code execution via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Scoring
| CVSS 3.1 | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 0.37% probability of exploitation · percentile 28.3% · 2026-06-19T12:03:05Z |
| Published | 2025-10-18 |
| Last modified | 2026-04-15 |
Underlying weaknesses· 1
References
- https://plugins.trac.wordpress.org/browser/theme-editor/trunk/app/controller/theme_controller.php#L87
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3379404%40theme-editor&new=3379404%40theme-editor&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/77189684-b794-41a0-8fc0-3320032c2f69?source=cve
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Cross-Site Request Forgery (CSRF)cwe-352 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.