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.
History

Sat, 18 Oct 2025 08:45:00 +0000

Type Values Removed Values Added
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.
Title Theme Editor <= 3.0 - Cross-Site Request Forgery to Remote Code Execution
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2025-10-18T08:25:35.623Z

Reserved: 2025-09-02T22:46:48.863Z

Link: CVE-2025-9890

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-10-18T09:15:34.687

Modified: 2025-10-18T09:15:34.687

Link: CVE-2025-9890

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.