Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX <= 4.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-32564
CVSS 6.4 (Medium)
Publicly Published April 16, 2024
Last Updated April 25, 2024
Researcher CatFather

Description

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.0.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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 Gutenberg Blocks – PostX

Software Type Plugin
Software Slug ultimate-post (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.0.2, or a newer patched version
Affected Version
  • <= 4.0.1
Patched Version
  • 4.0.2

Recent vulnerabilities in Post Grid Gutenberg Blocks – PostX

# Title CVE ID CVSS Researchers Date
1 Post Grid Gutenberg Blocks for News, Magazines, Blog Websites <= 5.0.31 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'moreResultsText' Block Attribute CVE-2026-13253 6.4 PRISM July 8, 2026
2 Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX <= 5.0.5 - Missing Authorization to Limited Post Meta Modification CVE-2026-0718 5.3 Mohammad Amin Hajian (mamadrce) April 15, 2026
3 PostX <= 5.0.8 - Authenticated (Administrator+) Server-Side Request Forgery via REST API Endpoints CVE-2026-1273 7.2 Mohammad Amin Hajian (mamadrce), Pouria Shahba (p0or1ya) March 3, 2026
4 PostX <= 5.0.3 - Missing Authorization CVE-2025-69313 5.3 MD ISMAIL January 19, 2026
5 PostX <= 5.0.3 - Unauthenticated Information Exposure CVE-2025-68606 5.3 Doan Dinh Van (d52v) December 21, 2025
6 Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX <= 5.0.3 - Missing Authorization to Unauthenticated Sensitive Information Exposure CVE-2025-12980 7.5 Marcin Dudek (dudekmar) December 20, 2025
7 PostX <= 4.1.36 - Missing Authorization CVE-2025-54751 4.3 Abu Hurayra (HurayraIIT) September 2, 2025
8 PostX <= 4.1.35 - Authenticated (Editor+) Privilege Escalation CVE-2025-55707 7.2 Denver Jackson August 29, 2025
9 PostX <= 4.1.25 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-31096 6.4 Peter Thaleikis March 28, 2025
10 PostX <= 4.1.15 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-53818 6.4 João Pedro Soares de Alcântara December 2, 2024

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