CVE-2026-16578

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductAdmin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection
PublishedAug 8, 2026
First seenAug 8, 2026

How to fix

Update
  • Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection1.4.0 or later

Affected products

ProductAffected versionsFixed in
Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection1.2.7 ≤ v < 1.4.01.4.0

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CVE-2026-16578 · Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection · Dark Radar