CVE-2026-116216

MacCMS v10 through 2026.1000.4056 Comment Impersonation via user_id Mass Assignment

MEDIUM
5.3
CVSS Score
Published: October 26, 2026 at 01:08 PM UTC
Updated: October 26, 2026 at 05:01 PM UTC
2 products affected across 2 vendorsMacCMS10MACCMS10

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

5.3MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-915

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