What’s Vulnerable › Vulnerabilities

CVE-2026-6640: Media Library Assistant <= 3.35 - Authenticated (Contributor+) Stored Cross-Site Scripting via mla_link_attributes Parameter

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-11 · updated 2026-09-11
• Weakness: CWE-79

Description

The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'mla_link_attributes' parameter in all versions up to, and including, 3.35 due to insufficient input sanitization and output escaping. 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 products

• dglingren Media Library Assistant: through 3.35

References

• https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-support.php#L270-L283
• https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-tag-cloud.php#L1041-L1046
• https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-tag-cloud.php#L1089-L1106
• https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-tag-cloud.php#L76-L95
• https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php#L270-L283
• https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-tag-cloud.php#L1041-L1046
• https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-tag-cloud.php#L1089-L1106
• https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-tag-cloud.php#L76-L95
• https://plugins.trac.wordpress.org/changeset/3512155/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/ac0abf8e-6efd-4cf5-ad03-8442d892a35f?source=cve

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