CVE-2026-12843 LearnDash LMS 4.25.0 - 5.1.6 - Unauthenticated Arbitrary Course Enrollment via REST Endpoint
Unauthenticated attackers can enroll arbitrary users in paid courses without payment, bypassing authorization checks in the LearnDash LMS plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-12843?
CVE-2026-12843 is a medium-severity missing authorization vulnerability in StellarWP LearnDash LMS, published on 5 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The LearnDash LMS plugin for WordPress is vulnerable to authorization bypass in versions 4.25.0 - 5.1.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to enroll arbitrary users in paid courses without payment verification, bypassing the entire payment system and gaining unauthorized access to premium educational content.
Weakness: CWE-862
Which versions are affected by CVE-2026-12843?
How do I fix CVE-2026-12843?
No fix has been published for CVE-2026-12843 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-2026-12843 being exploited?
There is no known exploitation of CVE-2026-12843 in the wild and no public exploit code.
Sources
Also known as GHSA-4r4h-wxqr-24rc.