Post Grid and Gutenberg Blocks <= 2.3.19 - Unauthenticated Insecure Direct Object Reference

Authorization Bypass Through User-Controlled Key
CVE CVE-2025-63043
CVSS Medium (5.3)
Publicly Published December 3, 2025
Last Updated December 20, 2025
Researcher Doan Dinh Van (DinhVan52)
Description

The Post Grid plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.3.19 due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to perform an unauthorized action.

References

1 affected software package

Software Type Plugin
Software Slug post-grid (view on wordpress.org)
Patched? No
Affected Version
  • <= 2.3.19
Patched Version
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