Detections
Analytics
CVE-2026-48799
high
Description
Postiz is an AI social media scheduling tool. Prior to 2.21.8, Postiz fails to verify Nowpayments IPN callback authenticity against the payment provider shared secret and reads the target subscription identifier from the untrusted request body, allowing a low-privileged account to grant arbitrary organizations lifetime PRO subscriptions without payment. This issue is fixed in version 2.21.8.
References
https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-j7rp-5mgj-qgg9
https://github.com/gitroomhq/postiz-app/releases/tag/v2.21.8
https://github.com/gitroomhq/postiz-app/commit/23696d2973510ae1f3f48bfa41a6bfbbf9827b05