CVE-2026-6641Media Library Assistant <= 3.35 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'mla_link_href' Shortcode Parameter
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No exploitation reported and no EPSS estimate yet.
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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 3.35. This is due to insufficient input sanitization and output escaping on the mla_link_href parameter when mla_output is set to 'paginate_links', where the _paginate_links() function processes the value through mla_process_shortcode_parameter() and _replace_query_parameter() without proper URL escaping, then outputs it directly in href attributes without applying esc_url(). 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.
- CVSS
- 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Sep 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
dglingren Media Library Assistant dglingren:media_library_assistant (from the name) | through 3.35 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/13602c35-a0f7-4651-af9a-0be9e581893a?source=cve
- https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcodes.php#L39
- https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php#L2484
- https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-support.php#L2484
- https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcode-support.php#L2449
- https://plugins.trac.wordpress.org/browser/media-library-assistant/tags/3.34/includes/class-mla-shortcode-support.php#L2449
- https://plugins.trac.wordpress.org/browser/media-library-assistant/trunk/includes/class-mla-shortcodes.php#L39
- https://plugins.trac.wordpress.org/changeset/3512155/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.