CVE-2025-57055: Wondercms

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

WonderCMS 3.5.0 is vulnerable to Server-Side Request Forgery (SSRF) in the custom module installation functionality. An authenticated administrator can supply a malicious URL via the pluginThemeUrl POST parameter. The server fetches the provided URL using curl_exec() without sufficient validation, allowing the attacker to force internal or external HTTP requests.

Affected products

• Wondercms Wondercms: version 3.5.0 only

Published 2025-09-17. Last modified 2026-06-17.