CVE-2026-90976 Clean Login < 1.19 - Unauthenticated Account Creation with Registration Disabled
Unauthenticated attackers can create accounts in Clean Login plugin even when registration is disabled, bypassing site access controls.
- 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-2026-90976?
CVE-2026-90976 is a medium-severity missing authorization vulnerability in Unknown Clean Login, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Clean Login WordPress plugin before 1.19 does not check whether user registration is enabled before creating an account in its registration handler, allowing unauthenticated users to create accounts even when the site has registration disabled.
Weakness: CWE-284
Which versions are affected by CVE-2026-90976?
How do I fix CVE-2026-90976?
No fix has been published for CVE-2026-90976 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-90976 being exploited?
There is no known exploitation of CVE-2026-90976 in the wild and no public exploit code.
Sources
Also known as GHSA-vm4x-47jq-gqcc.