CVE-2026-6640
Received Received - Intake

Stored XSS in Media Library Assistant WordPress Plugin

Publication date: 2026-09-11

Last updated on: 2026-09-11

Assigner: Wordfence

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-11
Last Modified
2026-09-11
Generated
2026-09-11
AI Q&A
2026-09-11
EPSS Evaluated
N/A
NVD
CVE-2026-6640
EUVD
EUVD-2026-76009

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
media_library_assistant media_library_assistant to 3.35 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

The Media Library Assistant WordPress plugin has a stored cross-site scripting (XSS) vulnerability in versions up to 3.35. It allows authenticated attackers with contributor access or higher to inject malicious scripts via the mla_link_attributes parameter. These scripts execute when users view infected pages.

Detection Guidance

To detect this vulnerability, inspect WordPress sites using the Media Library Assistant plugin versions up to 3.35. Check for suspicious scripts in the 'mla_link_attributes' parameter. Use commands like 'grep -r "mla_link_attributes" /path/to/wordpress' to search for usage of the vulnerable parameter.

Impact Analysis

Attackers could steal user sessions, redirect to malicious sites, or deface your WordPress site. It requires contributor-level access but could affect all visitors to your site once exploited.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR (data protection) and HIPAA (health data security) requirements. Organizations may face fines or legal consequences if exploited.

Mitigation Strategies

Immediately update the Media Library Assistant plugin to the latest version beyond 3.35. If updating is not possible, disable the plugin temporarily. Review user roles with contributor access or higher for unauthorized changes. Monitor for unusual scripts in web pages.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-6640. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart