CVE-2026-116216: MacCMS v10 through 2026.1000.4056 Comment Impersonation via user_id Mass Assignment

Published Oct 26, 2026

Updated

MacCMS v10 through 2026.1000.4056 contains a mass assignment vulnerability in index/Comment::saveData() that allows unauthenticated attackers to set arbitrary maccomment columns including userid. Attackers can submit anonymous comments with a crafted userid parameter to attribute them to any registered member, displaying that member's avatar and impersonating them.

Affected Software

1 affected component

maccms Maccms>=10<=2026.1000.4056

Event History

Oct 26, 2026

CVE Published

via MITRE·01:08 PM

Data Sourced

via MITRE·01:08 PM

DescriptionSeverityWeakness

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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