PT-2025-29269 · Postiz · Postiz

Prdngr · Published 2025-07-11 · Updated 2025-07-11 · CVE-2025-53641

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Postiz versions 1.45.1 through 1.62.3

Description: The Postiz frontend application allows an attacker to inject arbitrary HTTP headers into the middleware pipeline. This enables a server-side request forgery (SSRF) condition, allowing unauthorized outbound requests from the server hosting the Postiz application.

Recommendations: Update to version 1.62.3 or later.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2025-53641

GHSA-48C8-25JQ-M55F

Affected Products

Postiz

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53641.json · Exploit
• https://osv.dev/vulnerability/CVE-2025-53641 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53641 · Security Note
• https://github.com/gitroomhq/postiz-app/commit/65eca0e2f22155b43c78724ca43617ee52e42753 · Note
• https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-48c8-25jq-m55f · Note
• https://twitter.com/CVEnew/status/1943730159057514572 · Twitter Post
• https://t.me/cvetracker/27589 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1943753303461954044 · Twitter Post