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Quttera Web Malware Scanner - Security Vulnerability (CVE-2026-115548)
The Quttera ThreatSign – Web Malware Scanner for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'HTTP_USER_AGENT' parameter in all versions up to, and including, 4.1.0.48 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever an administrator accesses an injected page.
CVE-2026-115548
Quttera Web Malware Scanner - Server-Side Request Forgery (SSRF) (CVE-2025-8013)
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.
CVE-2025-8013
Quttera Web Malware Scanner - Path Traversal (CVE-2023-6222)
IThe Quttera Web Malware Scanner WordPress plugin before 3.4.2.1 does not validate user input used in a path, which could allow users with an admin role to perform path traversal attacks
CVE-2023-6222
Quttera Web Malware Scanner - Security Vulnerability (CVE-2023-6065)
The Quttera Web Malware Scanner WordPress plugin before 3.4.2.1 doesn't restrict access to detailed scan logs, which allows a malicious actor to discover local paths and portions of the site's code
CVE-2023-6065