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.
Published: 2026-10-26
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 03 Nov 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Maccms
Maccms maccms
Magicblack
Magicblack maccms10
Vendors & Products Maccms
Maccms maccms
Magicblack
Magicblack maccms10

Mon, 02 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 26 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
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.
Title MacCMS v10 through 2026.1000.4056 Comment Impersonation via user_id Mass Assignment
Weaknesses CWE-915
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

Maccms Maccms
Magicblack Maccms10
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-02T17:35:24.018Z

Reserved: 2026-10-25T12:28:44.091Z

Link: CVE-2026-116216

cve-icon Vulnrichment

Updated: 2026-11-02T17:35:17.926Z

cve-icon NVD

Status : Deferred

Published: 2026-10-26T14:16:34.490

Modified: 2026-11-02T18:18:39.677

Link: CVE-2026-116216

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T16:00:15Z

Weaknesses
  • CWE-915

    Improperly Controlled Modification of Dynamically-Determined Object Attributes