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CVE-2025-53641

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Date: July 11, 2025

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.

Severity Score

Severity Score

Weakness Type (CWE)

Server-Side Request Forgery (SSRF)

CWE-918

Top Fix

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Upgrade Version

Upgrade to version https://github.com/gitroomhq/postiz-app.git - v1.62.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): NONE

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