CVE-2023-4716 Information

Description

The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘mla_gallery’ shortcode in versions up to and including 3.10 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Reference

https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php?rev=2955933#L1531 https://www.wordfence.com/threat-intel/vulnerabilities/id/c5f6ae5d-7854-44c7-9fb8-efaa6e850d59?source=cve https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php?rev=2955933#L1511 https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php?rev=2955933#L1515 https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php?rev=2955933#L1507 https://plugins.trac.wordpress.org/changeset/2963256/media-library-assistant

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.4