{"schemaVersion":3,"id":"CVE-2021-24278","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, unauthenticated users can use the wpcf7r_get_nonce AJAX action to retrieve a valid nonce for any WordPress action/function.","dates":{"published":"2021-05-14T11:38:17.000Z","modified":"2024-08-03T19:28:23.300Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"wordfence","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.07359,"percentile":0.94358,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.07359},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.07359,"percentile":0.94358}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.07359,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.07359,"percentile":0.94358}]},"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":[{"id":"REF_07AB1D330092EF43","name":"Exploit Reference (wpscan.com)","source":"reference","url":"https://wpscan.com/vulnerability/99f30604-d62b-4e30-afcd-b482f8d66413","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_90CFBB1379FDBE9B","name":"Exploit Reference (wordfence.com)","source":"reference","url":"https://www.wordfence.com/blog/2021/04/severe-vulnerabilities-patched-in-redirection-for-contact-form-7-plugin/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":2,"weaknesses":[{"id":"CWE-863","name":"Incorrect Authorization","description":"The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/863.html"}],"affected":[{"vendor":"query solutions","product":"redirection for contact form 7","name":"Redirection for Contact Form 7","label":"redirection for contact form 7","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.3.4, < 2.3.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.3.4, < 2.3.4","eol":null,"hubHref":"/vendor/query_solutions/redirection_for_contact_form_7"},{"vendor":"querysol","product":"redirection_for_contact_form_7","name":"redirection for contact form 7","label":"redirection_for_contact_form_7","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 2.3.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.3.4","eol":null,"hubHref":"/vendor/querysol/redirection_for_contact_form_7"},{"vendor":"wordpress","product":"wpcf7-redirect","name":"Redirection for Contact Form 7","label":"wpcf7-redirect","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 2.3.4","noFixRecorded":false,"fixedIn":"2.3.4"}],"versionsText":"< 2.3.4","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://wpscan.com/vulnerability/99f30604-d62b-4e30-afcd-b482f8d66413","label":"wpscan.com/vulnerability/99f30604-d62b-4e30-afcd-b482f8d66413","hostname":"wpscan.com","tags":["X Refsource CONFIRM","Exploit","Vendor Advisory"]},{"url":"https://www.wordfence.com/blog/2021/04/severe-vulnerabilities-patched-in-redirection-for-contact-form-7-plugin/","label":"www.wordfence.com/blog/…","hostname":"www.wordfence.com","tags":["X Refsource MISC","Exploit","Vendor Advisory"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/773ed184-1478-417d-9a57-93f3971d4bc8","label":"www.wordfence.com/threat-intel/vulnerabilities/id/773ed184-1478-417d-9a57-93f3971d4bc8","hostname":"www.wordfence.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-05-14T11:38:17.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T19:28:23.300Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":41,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T19:17:06.167Z","stale":false,"partial":false}}