What’s Vulnerable › Vulnerabilities
CVE-2026-18356: Limit Login Attempts Reloaded < 3.3.5 - Username Denylist Bypass via Case Variant and Account Email
- Severity: low (CVSS 3.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-21 · updated 2026-10-16
- Weakness: CWE-184
Description
The Limit Login Attempts Reloaded WordPress plugin before 3.3.5 does not compare logins against its username denylist case-insensitively and does not account for the account's email address, allowing an account an administrator intended to block from logging in to authenticate anyway.
Affected products
- Limit Login Attempts Security: before 3.3.5 — fixed in 3.3.5
How to fix
Upgrade to a fixed version: Limit Login Attempts Security 3.3.5. Check the vendor advisory for mitigations.
References
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