6.9
Medium
MacCMS v10 through 2026.1000.4056 contains a mass assignment vulnerability in index/Comment::saveData() that allows unauthenticated…
CVE-2026-116216
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.
Assessment
- CVSS
- 6.9 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 26 October 2026
- Last updated
- 26 October 2026
- Weakness
- CWE-915
- Assigner
- disclosure@vulncheck.com
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
At the source
References
- https://github.com/maccmspro/maccms10
- https://github.com/maccmspro/maccms10/blob/7f388ee0008faf5b01e5df7bf5e5a6ff4bbe13e8/application/index/controller/Comment.php#L37-L95
- https://github.com/maccmspro/maccms10/issues/30
- https://www.vulncheck.com/advisories/maccms-v10-through-2026.1000.4056-comment-impersonation-via-user-id-mass-assignment
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2026-116216