CVE-2025-53641

HIGH

gitroomhq/postiz-app 1.45.1-1.62.3 - Server-Side Request Forgery via HTTP Header Injection

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 8.2
EPSS 0.0025
EPSS Percentile 15.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (1)
gitroomhq/postiz-app >= 1.45.1, < 1.62.3
Published Jul 11, 2025
Tracked Since Feb 18, 2026