CVE-2025-53641
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-11

Last updated on: 2025-07-15

Assigner: GitHub, Inc.

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.
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Meta Information
Published
2025-07-11
Last Modified
2025-07-15
Generated
2026-05-27
AI Q&A
2025-07-11
EPSS Evaluated
2026-05-25
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
gitroomhq postiz_app 1.45.1
gitroomhq postiz_app 1.62.3
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Postiz frontend application (versions 1.45.1 to 1.62.3) allows an attacker to inject arbitrary HTTP headers into the middleware pipeline. This leads to a server-side request forgery (SSRF) condition, enabling the attacker to make unauthorized outbound requests from the server hosting the Postiz application. The issue is fixed in version 1.62.3.


How can this vulnerability impact me? :

The vulnerability can allow attackers to make unauthorized outbound requests from the server running the Postiz application. This can lead to unauthorized access to internal systems, data leakage, or interaction with other services that the server can reach, potentially compromising the security and integrity of your environment.


What immediate steps should I take to mitigate this vulnerability?

Upgrade the Postiz frontend application to version 1.62.3 or later, as this version contains the fix for the vulnerability that allows arbitrary HTTP header injection and SSRF exploitation.


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