Information disclosure in Admin Safety Guard — Login Security, Limit Logins, 2fa & Brute Force Protection
CVE-2026-16578
The Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection WordPress plugin before 1.4.0 does not perform any capability check on one of its REST API endpoints, allowing unauthenticated attackers to retrieve the full list of registered users including their usernames, email addresses, roles, and two-factor authentication enrollment status.
Vulnerability class: Information Disclosure
EPSS: 0.003 (24.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Unknown Admin Safety Guard — Login Security, Limit Logins, 2fa & Brute Force Protection — versions 1.2.7
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-16578?
- CVE-2026-16578 is a high-severity vulnerability in Admin Safety Guard — Login Security, Limit Logins, 2fa & Brute Force Protection, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-08-08.
- How severe is CVE-2026-16578?
- High severity. CVSS v3 base score is 7.5 out of 10.