Vulnerability CVE-2023-4716
Published: 2023-09-22

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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

 References:
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
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