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CVE-2024-4043

MEDIUM 6.4 CVSS 3.1
Published
May 23, 2024
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The WP Ultimate Post Grid plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpupg-text' shortcode in all versions up to, and including, 3.9.1 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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • brechtvds WP Ultimate Post Grid — Up to and including 3.9.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-ultimate-post-grid/trunk/includes/public/shortcodes/general/class-wpupg-sc-text.php#L97
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3086319/
  • wordpress.org https://wordpress.org/plugins/wp-ultimate-post-grid/#developers
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/14e897f0-11e6-43b1-908c-be4ecdc7fd58?source=cve
  • nvd.nist.gov Official NVD record