{"schemaVersion":3,"id":"CVE-2026-66593","aliases":[],"status":"published","duplicateOf":null,"title":"WordPress Security & Malware scan by CleanTalk plugin <= 2.184 - SQL Injection vulnerability","description":"Unauthenticated SQL Injection in Security & Malware scan by CleanTalk <= 2.184 versions.","dates":{"published":"2026-08-20T12:07:01.372Z","modified":"2026-08-20T16:27:29.203Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.3,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.3,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.3,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L","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":0.004,"percentile":0.33123,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":0.10900000000000003,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.00291},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.004,"percentile":0.33123}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00291,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.004,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.004,"percentile":0.33123}]},"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-89","name":"Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","description":"The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/89.html"}],"affected":[{"vendor":"cleantalk inc","product":"security & malware scan by cleantalk","name":"Security & Malware scan by CleanTalk","label":"security & malware scan by cleantalk","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ n/a, ≤ 2.184","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ n/a, ≤ 2.184","eol":null,"hubHref":"/vendor/cleantalk_inc/security__malware_scan_by_cleantalk"},{"vendor":"wordpress","product":"security-malware-firewall","name":"Security Plugin, Firewall & Malware Scanner with Auto Removal","label":"security-malware-firewall","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.184 (fixed in 2.185)","noFixRecorded":false,"fixedIn":"2.185"}],"versionsText":"≤ 2.184 (fixed in 2.185)","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://patchstack.com/database/wordpress/plugin/security-malware-firewall/vulnerability/wordpress-security-malware-scan-by-cleantalk-plugin-2-184-sql-injection-vulnerability?_s_id=cve","label":"patchstack.com/database/…","hostname":"patchstack.com","tags":["VDB Entry"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/5aae14bb-855f-406a-a6a2-f784a0ae0166","label":"www.wordfence.com/threat-intel/vulnerabilities/id/5aae14bb-855f-406a-a6a2-f784a0ae0166","hostname":"www.wordfence.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-08-20T12:07:01.372Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-20T16:27:29.203Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T20:13:31.041Z","stale":false,"partial":false}}