CVE-2024-5223
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…
Does this matter?
Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Source
- security@wordfence.com
References
- https://plugins.trac.wordpress.org/browser/ultimate-post/tags/4.0.4/addons/custom_font/Custom_Font.php#L13
- https://plugins.trac.wordpress.org/changeset/3093051/ultimate-post/trunk/addons/custom_font/Custom_Font.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7234d4b9-a575-428a-9d08-2dc62ba41c30?source=cve
- https://plugins.trac.wordpress.org/browser/ultimate-post/tags/4.0.4/addons/custom_font/Custom_Font.php#L13
- https://plugins.trac.wordpress.org/changeset/3093051/ultimate-post/trunk/addons/custom_font/Custom_Font.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7234d4b9-a575-428a-9d08-2dc62ba41c30?source=cve
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.