{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86823", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-09-08T14:20:35.409Z", "datePublished": "2026-09-16T06:00:16.296Z", "dateUpdated": "2026-09-16T06:00:16.296Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-16T06:00:16.296Z"}, "title": "Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscriber Token Disclosure via ncu Parameter", "problemTypes": [{"descriptions": [{"description": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "Newsletter", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "9.3.7"}], "defaultStatus": "unaffected"}], "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."}], "references": [{"url": "https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Artus KG", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Newsletter", "vendor": "Unknown", "versions": [{"lessThan": "9.3.7", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "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."}], "id": "CVE-2026-86823", "lastModified": "2026-09-16T06:16:35.043", "metrics": {}, "published": "2026-09-16T06:16:35.043", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,9.3.7)"}}], "enrichment": {"confidence": 85.0, "confidence_source": "inferred", "scores": [{"score": 85.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Newsletter", "source": "cna", "vendor": "Unknown"}, "product": "newsletter", "vendor": "newsletter"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-09-16T10:15:17.113211+00:00", "updated": "2026-09-16T10:15:17.113251+00:00", "vendors": ["newsletter", "newsletter$PRODUCT$newsletter", "wordpress", "wordpress$PRODUCT$wordpress"]}