CVE-2026-88846 MasterStudy LMS 2.3.0 - < 3.7.50 - Unauthenticated Account Creation with Registration Disabled
Unauthenticated attackers can create accounts on sites with registration disabled, potentially leading to unauthorized access.
- 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-2026-88846?
CVE-2026-88846 is a medium-severity missing authorization vulnerability in Unknown MasterStudy LMS WordPress Plugin, published on 24 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not check whether user registration is enabled on the site before creating an account through one of its front-end registration flows, allowing unauthenticated users to create accounts, and be logged into them, on sites where registration has been deliberately disabled.
Weakness: CWE-862
Which versions are affected by CVE-2026-88846?
How do I fix CVE-2026-88846?
No fix has been published for CVE-2026-88846 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-2026-88846 being exploited?
There is no known exploitation of CVE-2026-88846 in the wild and no public exploit code.
Sources
Also known as GHSA-4mwj-c7j6-fqvw.