Post Grid and Gutenberg Blocks <= 2.3.21 - Authenticated (Contributor+) Stored Cross-Site Scripting

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-68605
CVSS 6.4 (Medium)
Publicly Published December 21, 2025
Last Updated July 16, 2026
Researcher Muhammad Yudha - DJ

Description

The Post Grid and Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.3.21 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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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
  • <= 2.3.21

Recent vulnerabilities in Post Grid

# Title CVE ID CVSS Researchers Date
1 Post Grid and Gutenberg Blocks <= 2.3.19 - Unauthenticated Insecure Direct Object Reference CVE-2025-63043 5.3 Doan Dinh Van (d52v) December 3, 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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