{"id":"CVE-2026-91830","aliases":["EUVD-2026-102684","GHSA-vg8j-9jxp-q7qm"],"status":"published","title":"Subscribe to Comments \u003c 2.3.3 - Unauthenticated Subscription Management Key Disclosure via Forged Comment Cookie","description":"The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber's management key and silently alter that subscriber's subscriptions.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00176,"percentile":0.07142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-10-16T06:00:11Z","modified":"2026-10-16T15:39:43Z","products":[{"vendor":"markjaquith","product":"subscribe to comments"},{"vendor":"unknown","product":"subscribe to comments"}],"references":[{"url":"https://wpscan.com/vulnerability/b2b1638a-f8af-49f7-86a6-a3eeea0526b1/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91830"},{"url":"https://wpscan.com/vulnerability/b2b1638a-f8af-49f7-86a6-a3eeea0526b1"},{"url":"https://github.com/advisories/GHSA-vg8j-9jxp-q7qm"}],"sources":{"cve":[{"id":"CVE-2026-91830","title":"Subscribe to Comments \u003c 2.3.3 - Unauthenticated Subscription Management Key Disclosure via Forged Comment Cookie","description":"The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber's management key and silently alter that subscriber's subscriptions.","status":"published","published":"2026-10-16T06:00:11.688Z","modified":"2026-10-16T14:49:22.052Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:19:53.115938Z"}],"euvd":[{"id":"EUVD-2026-102684","description":"The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber's management key and silently alter that subscriber's subscriptions.","status":"published","published":"2026-10-16T06:00:11Z","modified":"2026-10-16T14:49:22Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:00:05.596619Z"}],"ghsa":[{"id":"GHSA-vg8j-9jxp-q7qm","title":"The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it...","description":"The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber's management key and silently alter that subscriber's subscriptions.","status":"published","published":"2026-10-16T09:30:28Z","modified":"2026-10-16T15:39:43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:13:51.736258Z"}],"nvd":[{"id":"CVE-2026-91830","description":"The Subscribe to Comments WordPress plugin before 2.3.3 does not sign or validate a cookie it trusts to identify a commenter, allowing unauthenticated attackers to disclose a subscriber's management key and silently alter that subscriber's subscriptions.","status":"published","published":"2026-10-16T07:17:13.7Z","modified":"2026-10-16T15:17:34.057Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:59.751798Z"}]}}