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CVE-2025-53641

Postiz allows header mutation in middleware facilitates resulting in SSRF

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.62.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • gitroomhq postiz-app

    From 1.45.1 · fixed in 1.62.3

References 2

GitHub · gitroomhq/postiz-app