CVE-2025-9890

HighCVSS 8.8/10Last modified Sep 26, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-352

Affected software

VendorProductVersions
mndpsingh287Theme Editor<= 3.0

References

Timeline

Published
Oct 18, 2025
Last modified
Sep 26, 2026
NVD status
Deferred

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CVE-2025-9890: High severity, CVSS 8.8 | Vulnix