CVE-2026-18470 Login & Register Forms < 4.0.2 - Unauthenticated Registered User Email Address Disclosure via Lost Password Response

High 7.5 Published Updated

Unauthenticated attackers can obtain registered users' email addresses, including administrators', via the lost password response mechanism.

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-2026-18470?

CVE-2026-18470 is a high-severity 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 verify that a password reset request comes from the account's owner, and does not adequately redact the address returned in its response, allowing unauthenticated users to obtain registered users' email addresses, including administrators'.

Weakness: CWE-200

Which versions are affected by CVE-2026-18470?

How do I fix CVE-2026-18470?

No fix has been published for CVE-2026-18470 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-18470 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18470 exists.

Sources

Also known as GHSA-gxm4-76w3-xhp8.

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