{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71294","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","state":"PUBLISHED","assignerShortName":"TuranSec","dateReserved":"2026-08-05T12:37:57.358Z","datePublished":"2026-08-05T12:38:48.025Z","dateUpdated":"2026-08-10T11:47:30.270Z"},"containers":{"cna":{"title":"Cotonti CMS Comments Plugin PHP Object Injection via Unrestricted unserialize() in Create/Edit Actions","descriptions":[{"lang":"en","value":"Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a POST parameter obtained via (trim-only sanitization) is passed to with no restriction, reachable by any member with write access to comments (the default setting in plugins/comments/comments.setup.php).","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a POST parameter obtained via (trim-only sanitization) is passed to with no restriction, reachable by any member with write access to comments (the default setting in plugins/comments/comments.setup.php).</p>"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-502","cweId":"CWE-502","type":"CWE"}]}],"affected":[{"vendor":"Cotonti","product":"Cotonti","programFiles":["plugins/comments/controllers/actions/CreateAction.php","plugins/comments/controllers/actions/EditAction.php"],"versions":[{"version":"0","lessThanOrEqual":"*","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"LOW"}}],"references":[{"url":"https://github.com/Cotonti/Cotonti","tags":["third-party-advisory"]},{"url":"https://github.com/Cotonti/Cotonti/blob/master/plugins/comments/controllers/actions/CreateAction.php","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Saidakbarxon Maxsudxonov","type":"finder"}],"providerMetadata":{"orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","shortName":"TuranSec","dateUpdated":"2026-08-10T11:47:30.270Z"},"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-05T12:38:48.025Z"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T15:35:00.816320Z","id":"CVE-2026-71294","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-05T15:35:10.378Z"}}]}}