PT-2024-28844 · WordPress · Wp Ultimate Post Grid

Krzysztof Zając · Published 2024-05-23 · Updated 2024-05-24 · CVE-2024-4043

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions WP Ultimate Post Grid plugin for WordPress versions up to and including 3.9.1

Description The issue arises from insufficient input sanitization and output escaping on user-supplied attributes in the 'wpupg-text' shortcode, allowing authenticated attackers with contributor-level access and above to inject arbitrary web scripts in pages. These scripts will execute whenever a user accesses an injected page.

Recommendations For WP Ultimate Post Grid plugin for WordPress versions up to and including 3.9.1, update to a version that addresses the insufficient input sanitization and output escaping issue. As a temporary workaround, consider restricting access to the 'wpupg-text' shortcode to prevent arbitrary web script injections.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2024-4043

Affected Products

Wp Ultimate Post Grid

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2024-4043 · Security Note
• https://wordpress.org/plugins/wp-ultimate-post-grid/#developers · Note
• https://plugins.trac.wordpress.org/browser/wp-ultimate-post-grid/trunk/includes/public/shortcodes/general/class-wpupg-sc-text.php#L97 · Note
• https://plugins.trac.wordpress.org/changeset/3086319 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/14e897f0-11e6-43b1-908c-be4ecdc7fd58?source=cve · Note