{"schemaVersion":3,"id":"CVE-2021-4346","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The uListing plugin for WordPress is vulnerable to Unauthenticated Arbitrary Account Changes in versions up to, and including, 1.6.6. This is due to missing login checks on the stm_listing_profile_edit AJAX action. This makes it possible for unauthenticated attackers to edit any account on the blog, such as changing the admin account's email address.","dates":{"published":"2023-06-07T01:51:16.698Z","modified":"2026-04-08T16:48:42.531Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"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:N/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"wordfence","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01239,"percentile":0.68727,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01239},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01239,"percentile":0.68727}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01239,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01239,"percentile":0.68727}]},"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_5352D1101C4C6E36","name":"Exploit Reference (blog.nintechnet.com)","source":"reference","url":"https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-862","name":"Missing Authorization","description":"The product does not perform an authorization check when an actor attempts to access a resource or perform an action.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/862.html"}],"affected":[{"vendor":"stylemix","product":"directory listings wordpress plugin – ulisting","name":"Directory Listings WordPress plugin – uListing","label":"directory listings wordpress plugin – ulisting","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.7","eol":null,"hubHref":"/vendor/stylemix/directory_listings_wordpress_plugin_-_ulisting"},{"vendor":"stylemixthemes","product":"ulisting","name":"ulisting","label":"ulisting","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.6.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.6.6","eol":null,"hubHref":"/vendor/stylemixthemes/ulisting"},{"vendor":"wordpress","product":"ulisting","name":"Directory Listings WordPress plugin – uListing","label":"ulisting","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.7","noFixRecorded":false,"fixedIn":"1.7"}],"versionsText":"< 1.7","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/41800ea9-1ace-42fc-9e7f-d760a126342b?source=cve","label":"www.wordfence.com/threat-intel/vulnerabilities/id/41800ea9-1ace-42fc-9e7f-d760a126342b?source=cve","hostname":"www.wordfence.com","tags":["Third Party Advisory"]},{"url":"https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/","label":"blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/","hostname":"blog.nintechnet.com","tags":["Exploit"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2456786%40ulisting&new=2456786%40ulisting&sfp_email=&sfph_mail=","label":"plugins.trac.wordpress.org/changeset","hostname":"plugins.trac.wordpress.org","tags":["Patch"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/41800ea9-1ace-42fc-9e7f-d760a126342b","label":"www.wordfence.com/threat-intel/vulnerabilities/id/41800ea9-1ace-42fc-9e7f-d760a126342b","hostname":"www.wordfence.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-06-07T01:51:16.698Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-08T16:48:42.531Z","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":"2026-10-20T18:22:18.382Z","stale":false,"partial":false}}