{"id":"CVE-2021-4339","aliases":["EUVD-2021-34166","GHSA-99h6-wmg5-777v"],"status":"published","title":"uListing \u003c= 1.6.6 - Unauthenticated Information Disclosure","description":"The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing capability check in the \"ulisting/includes/route.php\" file on the /1/api/ulisting-user/search REST-API route in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to retrieve the list of all users and their email address in the database.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00946,"percentile":0.61358,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-06-07T01:51:11Z","modified":"2026-06-17T04:19:32Z","products":[{"vendor":"stylemix","product":"directory listings wordpress plugin – ulisting"},{"vendor":"stylemixthemes","product":"ulisting"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/0a6615fd-7c37-45d9-a657-0ba00df840e5?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/","tags":["x_transferred","Exploit"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=2456786%40ulisting\u0026new=2456786%40ulisting\u0026sfp_email=\u0026sfph_mail=","tags":["x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4339"},{"url":"https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-99h6-wmg5-777v"}],"sources":{"cve":[{"id":"CVE-2021-4339","title":"uListing \u003c= 1.6.6 - Unauthenticated Information Disclosure","description":"The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing capability check in the \"ulisting/includes/route.php\" file on the /1/api/ulisting-user/search REST-API route in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to retrieve the list of all users and their email address in the database.","status":"published","published":"2023-06-07T01:51:11.827Z","modified":"2026-04-08T16:34:40.227Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-34166","description":"The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing capability check in the \"ulisting/includes/route.php\" file on the /1/api/ulisting-user/search REST-API route in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to retrieve the list of all users and their email address in the database.","status":"published","published":"2023-06-07T01:51:11Z","modified":"2026-04-08T16:34:40Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T19:25:10.260259Z"}],"ghsa":[{"id":"GHSA-99h6-wmg5-777v","title":"The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing...","description":"The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing capability check in the \"ulisting/includes/route.php\" file on the /1/api/ulisting-user/search REST-API route in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to retrieve the list of all users and their email address in the database.","status":"published","published":"2023-06-07T03:30:22Z","modified":"2024-04-04T04:37:59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:56:25.511354Z"}],"nvd":[{"id":"CVE-2021-4339","description":"The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing capability check in the \"ulisting/includes/route.php\" file on the /1/api/ulisting-user/search REST-API route in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to retrieve the list of all users and their email address in the database.","status":"published","published":"2023-06-07T02:15:13Z","modified":"2026-06-17T04:19:32.273Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}