Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX <= 4.0.4 - Authenticated (Contributor+) Stored Cross=Site Scripting

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-4305
CVSS 6.4 (Medium)
Publicly Published May 27, 2024
Last Updated June 13, 2024
Researcher Dmitrii Ignatyev - CleanTalk Inc

Description

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the filterMobileText parameter in all versions up to, and including, 4.0.4 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.

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Vulnerability Details for Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX

Software Type Plugin
Software Slug ultimate-post (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.1.0, or a newer patched version
Affected Version
  • <= 4.0.4
Patched Version
  • 4.1.0

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