{"id":"CVE-2026-18786","state":"PUBLISHED","title":"CheckView < 2.3.2 - Administrator Account Creation via REST API Authentication Bypass","description":"The CheckView  WordPress plugin before 2.3.2 does not restrict its REST API authentication filter to its own routes and unconditionally discards the authentication error raised for any request whose URI merely contains a CheckView  WordPress plugin before 2.3.2-specific string, making it possible for unauthenticated attackers to bypass the REST nonce check and perform any REST action available to a logged-in administrator, such as creating a new administrator account, via a crafted link an administrator is tricked into opening.","publishedAt":"2026-08-10T06:00:19.499Z","updatedAt":"2026-08-11T15:09:48.728Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown CheckView"],"affected":[{"vendor":"Unknown","product":"CheckView","defaultStatus":"unaffected","versions":[{"version":"2.0.29","status":"affected","lessThan":"2.3.2","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/f53e1706-e926-4a2c-a2a7-465b4ca5d102/"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18786.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18786","state":"PUBLISHED","datePublished":"2026-08-10T06:00:19.499Z","dateUpdated":"2026-08-11T15:09:48.728Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-08-04T08:30:55.647Z"},"containers":{"cna":{"title":"CheckView < 2.3.2 - Administrator Account Creation via REST API Authentication Bypass","descriptions":[{"lang":"en","value":"The CheckView  WordPress plugin before 2.3.2 does not restrict its REST API authentication filter to its own routes and unconditionally discards the authentication error raised for any request whose URI merely contains a CheckView  WordPress plugin before 2.3.2-specific string, making it possible for unauthenticated attackers to bypass the REST nonce check and perform any REST action available to a logged-in administrator, such as creating a new administrator account, via a crafted link an administrator is tricked into opening."}],"affected":[{"vendor":"Unknown","product":"CheckView","defaultStatus":"unaffected","versions":[{"version":"2.0.29","status":"affected","lessThan":"2.3.2","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/f53e1706-e926-4a2c-a2a7-465b4ca5d102/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-08-10T06:00:19.499Z"},"credits":[{"lang":"en","value":"Usama Arshad","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T15:09:35.844713Z","id":"CVE-2026-18786","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","type":"CWE","lang":"en","description":"CWE-287 Improper Authentication"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T15:09:48.728Z"}}]}}}