{"id":"CVE-2026-16264","title":"The Newsletters WordPress plugin before 4.18.1 does not perform an ownership check on some of its subscriber management actions, and issues a management session to unauthenticated visitors on request, allowing attackers to read any subsc…","summary":"The Newsletters WordPress plugin before 4.18.1 does not perform an ownership check on some of its subscriber management actions, and issues a management session to unauthenticated visitors on request, allowing attackers to read any subsc…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-639"],"product":"Newsletters","affected":["Newsletters < 4.18.1"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T11:17:09.977","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16264","references":[{"url":"https://wpscan.com/vulnerability/0dd1de2d-e9bb-4c42-a78b-2643d43dfed6/","label":"contact@wpscan.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-23T10:45:35.602362Z"},"ingestedAt":"2026-09-23T06:17:57.880Z","slug":"CVE-2026-16264","body":"## Overview\n\nThe Newsletters WordPress plugin before 4.18.1 does not perform an ownership check on some of its subscriber management actions, and issues a management session to unauthenticated visitors on request, allowing attackers to read any subscriber's personal data and overwrite any subscriber's record including their email address.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":209558,"id":"CVE-2026-16264","ts":1790162587049,"field":"cvss","old":null,"new":"6.5"},{"seq":209557,"id":"CVE-2026-16264","ts":1790162587049,"field":"severity","old":"none","new":"medium"}]}