Medium severity6.4NVD Advisory· Published May 30, 2024· Updated Apr 15, 2026

CVE-2024-5223

Description

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's file uploading feature in all versions up to, and including, 4.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Ultimate Postinferred2 versions
<=4.1.1+ 1 more
- (no CPE)range: <=4.1.1
- (no CPE)range: <=4.1.1
Package: https://wordpress.org/plugins/ultimate-post

Patches

Vulnerability mechanics

References

plugins.trac.wordpress.org/browser/ultimate-post/tags/4.0.4/addons/custom_font/Custom_Font.phpnvd
plugins.trac.wordpress.org/changeset/3093051/ultimate-post/trunk/addons/custom_font/Custom_Font.phpnvd
www.wordfence.com/threat-intel/vulnerabilities/id/7234d4b9-a575-428a-9d08-2dc62ba41c30nvd

News mentions

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cvss	0.416
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000