{"id":"CVE-2026-53756","state":"PUBLISHED","title":"Emlog Blind SQL Injection via Authentication Cookie","description":"Emlog is an open source website building system. Prior to version 2.6.16, Emlog CMS Pro contains a blind SQL injection in User_Model::getUserDataByLogin(). The $account parameter is directly interpolated into SQL queries without any filtering. The vulnerability is reachable through the auth cookie validation path, where $username is extracted from the cookie and passed unfiltered into SQL — guarded only by an HMAC signature that requires AUTH_KEY to forge. This issue has been patched in version 2.6.16.","publishedAt":"2026-09-04T17:46:58.174Z","updatedAt":"2026-09-08T17:43:02.023Z","severity":{"score":4.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["emlog emlog"],"affected":[{"vendor":"emlog","product":"emlog","versions":[{"version":"< 2.6.16","status":"affected"}]}],"references":["https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg","https://github.com/emlog/emlog/commit/92b6eea618891b28ed0c520564dff26e170645b4","https://github.com/emlog/emlog/releases/tag/pro-2.6.16"],"weaknesses":["CWE-89"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53756.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53756","state":"PUBLISHED","datePublished":"2026-09-04T17:46:58.174Z","dateUpdated":"2026-09-08T17:43:02.023Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-10T17:48:40.546Z"},"containers":{"cna":{"title":"Emlog Blind SQL Injection via Authentication Cookie","descriptions":[{"lang":"en","value":"Emlog is an open source website building system. Prior to version 2.6.16, Emlog CMS Pro contains a blind SQL injection in User_Model::getUserDataByLogin(). The $account parameter is directly interpolated into SQL queries without any filtering. The vulnerability is reachable through the auth cookie validation path, where $username is extracted from the cookie and passed unfiltered into SQL — guarded only by an HMAC signature that requires AUTH_KEY to forge. This issue has been patched in version 2.6.16."}],"affected":[{"vendor":"emlog","product":"emlog","versions":[{"version":"< 2.6.16","status":"affected"}]}],"references":[{"url":"https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg","name":"https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/emlog/emlog/commit/92b6eea618891b28ed0c520564dff26e170645b4","name":"https://github.com/emlog/emlog/commit/92b6eea618891b28ed0c520564dff26e170645b4","tags":["x_refsource_MISC"]},{"url":"https://github.com/emlog/emlog/releases/tag/pro-2.6.16","name":"https://github.com/emlog/emlog/releases/tag/pro-2.6.16","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-89","lang":"en","description":"CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-04T17:46:58.174Z"},"source":{"advisory":"GHSA-xq97-53c2-vvfg","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T17:42:05.509814Z","id":"CVE-2026-53756","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-08T17:43:02.023Z"}}]}}}