PT-2025-30644 · WordPress · Post Grid Master

Alefe Souza · Published 2025-07-24 · Updated 2025-08-09 · CVE-2025-5084

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Post Grid Master versions prior to 3.4.14

Description The Post Grid Master plugin for WordPress is susceptible to Reflected Cross-Site Scripting due to insufficient input sanitization and output escaping. This allows unauthenticated attackers to inject arbitrary web scripts into pages, potentially executing if a user is tricked into performing an action, such as clicking a link. The vulnerability resides in the argsArray['read more text'] parameter.

Recommendations Update Post Grid Master to version 3.4.14 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-5084

Affected Products

Post Grid Master

References · 9

• 🔥 https://github.com/Fr1t0viski/PoCs/blob/main/XSS_GridMaster · Exploit
• https://osv.dev/vulnerability/CVE-2025-5084 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-5084 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/08137a9e-6e4d-4ca6-954e-e98a44b0c9be?source=cve · Note
• https://twitter.com/CVEnew/status/1948319173639069849 · Twitter Post
• https://wordpress.org/plugins/ajax-filter-posts/#developers · Note
• https://twitter.com/jmdevlabs/status/1954057004206444749 · Twitter Post
• https://plugins.trac.wordpress.org/browser/ajax-filter-posts/tags/3.4.14/inc/functions.php · Note
• https://plugins.trac.wordpress.org/browser/ajax-filter-posts/tags/3.4.13/inc/functions.php · Note