Security Advisory

CVE-2026-48799

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-15 16:11:24

Last updated 2026-07-15 18:01:49

Assigner GitHub_M

CVSS score 7.7

State PUBLISHED

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.

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