Vulnerability Database

308,379

Total vulnerabilities in the database

CVE-2025-59055

InstantCMS is a free and open source content management system. A blind Server-Side Request Forgery (SSRF) vulnerability in InstantCMS up to and including 2.17.3 allows authenticated remote attackers to make nay HTTP/HTTPS request via the package parameter. It is possible to make any HTTP/HTTPS request to any website in installer functionality. Due to such vulnerability it is possible to for example scan local network, call local services and its functions, conduct a DoS attack, and/or disclose a server's real IP if it's behind a reverse proxy. It is also possible to exhaust server resources by sending plethora of such requests. As of time of publication, no patched releases are available.

  • Published: Sep 11, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-59055
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.7
  • AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CWEs:

Software From Fixed in
instantcms / instantcms - 2.17.3.x