VULNERABILITY INTELLIGENCE

CVE-2025-53641

CVSS score8.2 HIGH
EPSS probability0.28%
CISA KEVNot currently listed
Published2025-07-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Description

Postiz is an AI social media scheduling tool. From 1.45.1 to 1.62.3, the Postiz frontend application allows an attacker to inject arbitrary HTTP headers into the middleware pipeline. This flaw enables a server-side request forgery (SSRF) condition, which can be exploited to initiate unauthorized outbound requests from the server hosting the Postiz application. This vulnerability is fixed in 1.62.3.

Weakness classification

  • security-advisories@github.com: CWE-918

Primary references