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Vulnerability record · CVE-2025-12158 · published 4 November 2025

CVE-2025-12158: Missing authorization vulnerability

The Simple User Capabilities plugin for WordPress is vulnerable to Privilege Escalation due to a missing capability check on the suc_submit_capabilities() function in all versions up to, and including, 1.0. This makes it possible for unauthenticated attackers to elevate the role of any user account to administrator.

9.8 CVSS 3.1 Critical EPSS 0.42% · top 66.0% CWE-862 · Missing authorization Deferred
9.8CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

The Simple User Capabilities plugin for WordPress is vulnerable to Privilege Escalation due to a missing capability check on the suc_submit_capabilities() function in all versions up to, and including, 1.0. This makes it possible for unauthenticated attackers to elevate the role of any user account to administrator.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://plugins.svn.wordpress.org/simple-user-capabilities/tags/1.0/user_access.php
https://wordpress.org/plugins/simple-user-capabilities/
https://www.wordfence.com/threat-intel/vulnerabilities/id/dd75b8ec-1961-4a7a-92e6-1517e638974b?source=cve

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Source: NIST National Vulnerability Database (record CVE-2025-12158), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.