{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116216","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-25T12:28:44.091Z","datePublished":"2026-10-26T13:08:48.563Z","dateUpdated":"2026-10-26T13:08:48.563Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-26T13:08:48.563Z"},"datePublic":"2026-10-25T00:00:00.000Z","title":"MacCMS v10 through 2026.1000.4056 Comment Impersonation via user_id Mass Assignment","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improperly Controlled Modification of Dynamically-Determined Object Attributes","cweId":"CWE-915","type":"CWE"}]}],"affected":[{"vendor":"maccmspro","product":"maccms10","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2021.1000.2000","versionType":"custom"}]},{"vendor":"magicblack","product":"maccms10","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2026.1000.4056","versionType":"custom"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/maccmspro/maccms10/issues/30","tags":["issue-tracking"],"name":"GitHub Issue #30"},{"url":"https://github.com/maccmspro/maccms10/blob/7f388ee0008faf5b01e5df7bf5e5a6ff4bbe13e8/application/index/controller/Comment.php#L37-L95","tags":["technical-description"]},{"url":"https://github.com/maccmspro/maccms10","tags":["product"]},{"name":"VulnCheck Advisory: MacCMS v10 through 2026.1000.4056 Comment Impersonation via user_id Mass Assignment","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/maccms-v10-through-2026.1000.4056-comment-impersonation-via-user-id-mass-assignment"}],"credits":[{"lang":"en","value":"Abu Raihan Biswas","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}