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

5.3
Authorization Bypass Through User-Controlled Key
CVE CVE-2025-63043
CVSS 5.3 (Medium)
Publicly Published December 3, 2025
Last Updated July 16, 2026
Researcher Doan Dinh Van (d52v)

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.

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Vulnerability Details for Post Grid

Software Type Plugin
Software Slug post-grid (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 2.3.19

Recent vulnerabilities in Post Grid

# Title CVE ID CVSS Researchers Date
1 Post Grid and Gutenberg Blocks <= 2.3.21 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-68605 6.4 Muhammad Yudha - DJ December 21, 2025
2 Post Grid and Gutenberg Blocks <= 2.3.17 - Missing Authorization CVE-2025-66058 4.3 Abu Hurayra (HurayraIIT) October 4, 2025
3 Post Grid and Gutenberg Blocks <= 2.3.17 - Missing Authorization CVE-2025-62924 4.3 Abu Hurayra (HurayraIIT) October 4, 2025
4 Post Grid and Gutenberg Blocks <= 2.3.11 - Authenticated (Contributor+) PHP Object Injection CVE-2025-54007 8.8 Ananda Dhakal August 6, 2025
5 Post Grid and Gutenberg Blocks – ComboBlocks <= 2.3.6 - Unauthenticated User Information Exposure CVE-2024-13796 5.3 wesley (wcraft) February 27, 2025
6 Post Grid and Gutenberg Blocks – ComboBlocks <= 2.3.5 - Unauthenticated Paid Order Creation CVE-2024-13798 5.3 wesley (wcraft) February 21, 2025
7 Post Grid and Gutenberg Blocks 2.2.85 - 2.3.3 - Unauthenticated Privilege Escalation CVE-2024-9636 9.8 wesley (wcraft) January 14, 2025
8 Post Grid and Gutenberg Blocks <= 2.2.92 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-9645 6.4 Dmitrii Ignatyev January 14, 2025
9 Post Grid and Gutenberg Blocks <= 2.2.93 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-50432 6.4 João Pedro Soares de Alcântara October 24, 2024
10 Post Grid and Gutenberg Blocks <= 2.2.89 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-47340 6.4 João Pedro Soares de Alcântara September 27, 2024

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