Media Library Assistant <= 3.39 - Authenticated (Author+) Arbitrary File Upload

8.8
Unrestricted Upload of File with Dangerous Type
CVE CVE-2026-66600
CVSS 8.8 (High)
Publicly Published August 19, 2026
Last Updated August 24, 2026
Researcher nh4tvd

Description

The Media Library Assistant plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 3.39. This is due to missing file type validation. This makes it possible for authenticated attackers, with author-level access and above, to upload arbitrary files on the affected site's server, which may make remote code execution possible.

Learn more about Arbitrary File Upload vulnerabilities and how to prevent them.

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Vulnerability Details for Media Library Assistant

Software Type Plugin
Software Slug media-library-assistant (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.40, or a newer patched version
Affected Version
  • <= 3.39
Patched Version
  • 3.40

Recent vulnerabilities in Media Library Assistant

# Title CVE ID CVSS Researchers Date
1 Media Library Assistant <= 3.35 - Authenticated (Author+) Stored Cross-Site Scripting via Bulk Edit Preset Export/Import CVE-2026-6642 6.4 TruongLV1 From FPT Night Wolf September 10, 2026
2 Media Library Assistant <= 3.35 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'mla_link_href' Shortcode Parameter CVE-2026-6641 6.4 gidget smith September 10, 2026
3 Media Library Assistant <= 3.35 - Authenticated (Contributor+) Stored Cross-Site Scripting via mla_link_attributes Parameter CVE-2026-6640 6.4 normaandersonfrank September 10, 2026
4 Media Library Assistant < 3.40 - Authenticated (Author+) SQL Injection CVE-2026-16959 6.5 João Ramos Maciel August 24, 2026
5 Media Library Assistant <= 3.39 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2026-66601 6.4 nh4tvd August 19, 2026
6 Media Library Assistant <= 3.39 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2026-66591 6.4 Abdullah Kareem "cyberkareem" August 18, 2026
7 Media Library Assistant <= 3.38 - Unauthenticated Stored Cross-Site Scripting CVE-2026-61963 7.2 daroo August 4, 2026
8 Media Library Assistant <= 3.35 - Authenticated (Contributor+) SQL Injection CVE-2026-56012 6.5 daroo June 18, 2026
9 Media Library Assistant <= 3.35 - Reflected Cross-Site Scripting CVE-2026-54198 6.1 Bonds June 15, 2026
10 Media Library Assistant <= 3.35 - Cross-Site Request Forgery via Bulk Action Form CVE-2026-6075 8.1 AlexHenry May 28, 2026

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