CVE-2025-8013: Quttera Threatsign – Web Malware Scanner For WordPress

Low severity, CVSS 3.8. EPSS: 0.3% chance of exploitation in the next 30 days.

The Quttera Web Malware Scanner plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.5.1.41 via the 'RunExternalScan' function. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Affected products

• Quttera Quttera Threatsign – Web Malware Scanner For WordPress: up to and including 3.5.1.41

Published 2025-08-15. Last modified 2026-06-17.