{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16267","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","state":"PUBLISHED","assignerShortName":"WPScan","dateReserved":"2026-07-20T09:09:37.520Z","datePublished":"2026-08-08T06:00:10.538Z","dateUpdated":"2026-08-11T19:32:29.821Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","shortName":"WPScan","dateUpdated":"2026-08-08T06:00:10.538Z"},"title":"Newsletters < 4.16 - Unauthenticated PHP Object Injection via Date Form Field","problemTypes":[{"descriptions":[{"description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"affected":[{"vendor":"Unknown","product":"Newsletters","versions":[{"status":"affected","versionType":"semver","version":"0","lessThan":"4.16"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects."}],"references":[{"url":"https://wpscan.com/vulnerability/b51c11d6-5bfa-4b2c-b348-cda19889deee/","tags":["exploit","vdb-entry","technical-description"]}],"credits":[{"lang":"en","value":"Sai Praneeth Koti","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-502","lang":"en","description":"CWE-502 Deserialization of Untrusted Data"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T19:32:25.720957Z","id":"CVE-2026-16267","options":[{"Exploitation":"none"},{"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":"2026-08-11T19:32:29.821Z"}}]}}