{"api_version":"1","generated_at":"2026-09-16T07:45:32+00:00","cve":"CVE-2026-86823","urls":{"html":"https://cve.report/CVE-2026-86823","api":"https://cve.report/api/cve/CVE-2026-86823.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-86823","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-86823"},"summary":{"title":"Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscriber Token Disclosure via ncu Parameter","description":"The Newsletter  WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthenticated attackers to redirect users to arbitrary external sites and to disclose a subscriber token that grants access to that subscriber record's front-end actions.","state":"PUBLISHED","assigner":"WPScan","published_at":"2026-09-16 06:16:35","updated_at":"2026-09-16 06:16:35"},"problem_types":["CWE-601 URL Redirection to Untrusted Site ('Open Redirect')"],"metrics":[],"references":[{"url":"https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/","name":"https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/","refsource":"contact@wpscan.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-86823","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86823","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Unknown","product":"Newsletter","version":"affected 9.3.7 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Artus KG","lang":"en"},{"source":"CNA","value":"WPScan","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Newsletter","vendor":"Unknown","versions":[{"lessThan":"9.3.7","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Artus KG"},{"lang":"en","type":"coordinator","value":"WPScan"}],"descriptions":[{"lang":"en","value":"The Newsletter  WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthenticated attackers to redirect users to arbitrary external sites and to disclose a subscriber token that grants access to that subscriber record's front-end actions."}],"problemTypes":[{"descriptions":[{"description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-16T06:00:16.296Z","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","shortName":"WPScan"},"references":[{"tags":["exploit","vdb-entry","technical-description"],"url":"https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/"}],"source":{"discovery":"EXTERNAL"},"title":"Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscriber Token Disclosure via ncu Parameter","x_generator":{"engine":"WPScan CVE Generator"}}},"cveMetadata":{"assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","assignerShortName":"WPScan","cveId":"CVE-2026-86823","datePublished":"2026-09-16T06:00:16.296Z","dateReserved":"2026-09-08T14:20:35.409Z","dateUpdated":"2026-09-16T06:00:16.296Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-16 06:16:35","lastModifiedDate":"2026-09-16 06:16:35","problem_types":["CWE-601 URL Redirection to Untrusted Site ('Open Redirect')"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"86823","Ordinal":"1","Title":"Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscribe","CVE":"CVE-2026-86823","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"86823","Ordinal":"1","NoteData":"The Newsletter  WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthenticated attackers to redirect users to arbitrary external sites and to disclose a subscriber token that grants access to that subscriber record's front-end actions.","Type":"Description","Title":"Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscribe"}]}}}