CVE-2026-66600

WordPress Media LIbrary Assistant plugin <= 3.39 - Arbitrary File Upload vulnerability

Published Aug 20, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
Author Arbitrary File Upload in Media LIbrary Assistant <= 3.39 versions.

Remediation

Vendor Solution

Update the WordPress Media LIbrary Assistant Plugin to the latest available version (at least 3.40).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Davidlingren
Davidlingren media Library Assistant
Wordpress
Wordpress wordpress
Vendors & Products Davidlingren
Davidlingren media Library Assistant
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description Author Arbitrary File Upload in Media LIbrary Assistant <= 3.39 versions.
Title WordPress Media LIbrary Assistant plugin <= 3.39 - Arbitrary File Upload vulnerability
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Aug 20, 2026, 4:27 PM
Reserved
Jul 27, 2026, 2:00 PM
Status
Deferred
Published
Aug 20, 2026, 12:16 PM
Modified
Aug 20, 2026, 5:19 PM