{"id":"CVE-2023-4153","aliases":["EUVD-2023-54033","GHSA-mv5m-mjc6-j826"],"status":"published","title":"BAN Users \u003c= 1.5.3 - Missing Authorization to Authenticated (Subscriber+) Settings Update \u0026 Privilege Escalation","description":"The BAN Users plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.5.3 due to a missing capability check on the 'w3dev_save_ban_user_settings_callback' function. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to modify the plugin settings to access the ban and unban functionality and set the role of the unbanned user.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00867,"percentile":0.58982,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-266"],"published":"2023-09-13T02:54:12Z","modified":"2026-06-17T06:37:11Z","products":[{"vendor":"webmedia","product":"ban_users"},{"vendor":"webxmedia","product":"ban users"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/af6bd2db-47a4-4381-a881-d5f97a159f8d?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/ban-users/tags/1.5.3/include/ajax.php#L199","tags":["x_transferred","Broken Link"]},{"url":"https://plugins.trac.wordpress.org/browser/ban-users/tags/1.5.3/include/ajax.php#L109","tags":["x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4153"},{"url":"https://github.com/advisories/GHSA-mv5m-mjc6-j826"}],"sources":{"cve":[{"id":"CVE-2023-4153","title":"BAN Users \u003c= 1.5.3 - Missing Authorization to Authenticated (Subscriber+) Settings Update \u0026 Privilege Escalation","description":"The BAN Users plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.5.3 due to a missing capability check on the 'w3dev_save_ban_user_settings_callback' function. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to modify the plugin settings to access the ban and unban functionality and set the role of the unbanned user.","status":"published","published":"2023-09-13T02:54:12.332Z","modified":"2026-04-08T17:15:35.924Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54033","description":"The BAN Users plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.5.3 due to a missing capability check on the 'w3dev_save_ban_user_settings_callback' function. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to modify the plugin settings to access the ban and unban functionality and set the role of the unbanned user.","status":"published","published":"2023-09-13T02:54:12Z","modified":"2026-04-08T17:15:35Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:24:45.130194Z"}],"ghsa":[{"id":"GHSA-mv5m-mjc6-j826","title":"The BAN Users plugin for WordPress is vulnerable to privilege escalation in versions up to, and...","description":"The BAN Users plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.5.3 due to a missing capability check on the 'w3dev_save_ban_user_settings_callback' function. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to modify the plugin settings to access the ban and unban functionality and set the role of the unbanned user.","status":"published","published":"2023-09-13T03:30:16Z","modified":"2024-04-04T07:38:42Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:56:53.773376Z"}],"nvd":[{"id":"CVE-2023-4153","description":"The BAN Users plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.5.3 due to a missing capability check on the 'w3dev_save_ban_user_settings_callback' function. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to modify the plugin settings to access the ban and unban functionality and set the role of the unbanned user.","status":"published","published":"2023-09-13T03:15:08.73Z","modified":"2026-06-17T06:37:11.477Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:08:28.268644Z"}]}}