{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18216","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","state":"PUBLISHED","assignerShortName":"WPScan","dateReserved":"2026-07-29T08:51:12.758Z","datePublished":"2026-08-15T06:00:14.986Z","dateUpdated":"2026-08-17T20:36:05.964Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","shortName":"WPScan","dateUpdated":"2026-08-15T06:00:14.986Z"},"title":"Backup Migration < 2.1.7 - Admin+ Privilege Escalation via Post-Restore Auto-Login","problemTypes":[{"descriptions":[{"description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"affected":[{"vendor":"Unknown","product":"Backup Migration","versions":[{"status":"affected","versionType":"semver","version":"0","lessThan":"2.1.7"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The Backup Migration WordPress plugin before 2.1.7 does not properly restrict a post-restore automatic login mechanism, allowing a user who administers one site of a multisite network to obtain a long-lived authenticated session as an administrator of another site in the same network, without credentials and bypassing two-factor authentication."}],"references":[{"url":"https://wpscan.com/vulnerability/f12530c5-4069-42c2-9f1c-b00fc62aa387/","tags":["exploit","vdb-entry","technical-description"]}],"credits":[{"lang":"en","value":"Thanh Lam Tang","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-287","lang":"en","description":"CWE-287 Improper Authentication"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"HIGH","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-17T20:35:25.731091Z","id":"CVE-2026-18216","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-17T20:36:05.964Z"}}]}}