{"cve":"CVE-2023-4153","nvd":{"published":"2023-09-13T03:15:08.730","modified":"2026-06-17T06:37:11.477","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-266"],"references":["https://plugins.trac.wordpress.org/browser/ban-users/tags/1.5.3/include/ajax.php#L109","https://plugins.trac.wordpress.org/browser/ban-users/tags/1.5.3/include/ajax.php#L199","https://www.wordfence.com/threat-intel/vulnerabilities/id/af6bd2db-47a4-4381-a881-d5f97a159f8d?source=cve","https://plugins.trac.wordpress.org/browser/ban-users/tags/1.5.3/include/ajax.php#L109","https://plugins.trac.wordpress.org/browser/ban-users/tags/1.5.3/include/ajax.php#L199"],"products":["webmedia:ban_users"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-4153","score":0.00867,"percentile":0.58736,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}