{"schemaVersion":3,"id":"CVE-2026-4409","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Subscribe To Comments Reloaded plugin for WordPress is vulnerable to unauthorized modification of data due to a leaked secret key and usage of a weak hash generation algorithm in all versions up to, and including, 240119. This makes it possible for unauthenticated attackers to extract the global key from any public post page, forge authorization keys and manage comment subscription preferences for arbitrary users","dates":{"published":"2026-05-05T02:26:55.996Z","modified":"2026-05-05T15:34:57.256Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"wordfence","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00389,"percentile":0.31756,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0.16199999999999998,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00227},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00389,"percentile":0.31756}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00227,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00389,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00389,"percentile":0.31756}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor","description":"The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/200.html"}],"affected":[{"vendor":"wordpress","product":"subscribe-to-comments-reloaded","name":"Subscribe To Comments Reloaded","label":"subscribe-to-comments-reloaded","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 240119","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 240119","eol":null,"hubHref":null},{"vendor":"wpkube","product":"subscribe_to_comments_reloaded","name":"subscribe to comments reloaded","label":"subscribe_to_comments_reloaded","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 240119","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 240119","eol":null,"hubHref":"/vendor/wpkube/subscribe_to_comments_reloaded"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/91f9235e-f578-475f-92c3-34062d6d1e3d?source=cve","label":"www.wordfence.com/threat-intel/vulnerabilities/id/91f9235e-f578-475f-92c3-34062d6d1e3d?source=cve","hostname":"www.wordfence.com","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/240119/wp_subscribe_reloaded.php#L1613","label":"plugins.trac.wordpress.org/browser/…","hostname":"plugins.trac.wordpress.org","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/240119/utils/stcr_utils.php#L164","label":"plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/240119/utils/stcr_utils.php","hostname":"plugins.trac.wordpress.org","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/240119/templates/user.php#L37","label":"plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/240119/templates/user.php","hostname":"plugins.trac.wordpress.org","tags":[]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/91f9235e-f578-475f-92c3-34062d6d1e3d","label":"www.wordfence.com/threat-intel/vulnerabilities/id/91f9235e-f578-475f-92c3-34062d6d1e3d","hostname":"www.wordfence.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-05-05T02:26:55.996Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-05-05T15:34:57.256Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T18:29:00.291Z","stale":false,"partial":false}}