CVE-2026-18469 Login & Register Forms < 4.0.2 - Unauthenticated Account Takeover via Password Reset Code Brute Force

High 8.1 Published Updated

Unauthenticated attackers can brute-force password reset codes to take over any account, including administrators, when the verification-code reset mode is enabled.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-18469?

CVE-2026-18469 is a high-severity authentication bypass vulnerability in Unknown Login & Register Forms, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Login & Register Forms WordPress plugin before 4.0.2 does not enforce its password reset attempt limit against a server-derived value, keying both the verification code and the per-source attempt counter on client-controlled data, allowing unauthenticated attackers to reset the limit at will and brute-force the code to take over any account, including administrators, when the verification-code reset mode is enabled.

Weakness: CWE-287

Which versions are affected by CVE-2026-18469?

How do I fix CVE-2026-18469?

No fix has been published for CVE-2026-18469 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-18469 being exploited?

There is no known exploitation of CVE-2026-18469 in the wild and no public exploit code.

Sources

Also known as GHSA-53xf-4rjw-hxg5.

Is CVE-2026-18469 in your software?

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