CVE-2025-53641
High
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.
SeverityHigh
CVSS8.2
Exploit probability—
ProductGitroomhq Postiz-app
PublishedJul 11, 2025
First seenJul 11, 2025
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitroomhq postiz-app | >= 1.45.1, < 1.62.3 | — |
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