What’s Vulnerable › Vulnerabilities
CVE-2023-4716: Media Library Assistant <= 3.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-09-22 · updated 2026-06-17
- Weakness: CWE-79
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.
Affected products
- dglingren Media Library Assistant: through 3.10
References
- https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php?rev=2955933#L1507
- 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#L1531
- https://plugins.trac.wordpress.org/changeset/2963256/media-library-assistant
- 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#L1507
- 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#L1531
- https://plugins.trac.wordpress.org/changeset/2963256/media-library-assistant
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c5f6ae5d-7854-44c7-9fb8-efaa6e850d59?source=cve
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