Medium severity · published Sep 5, 2026
CVE-2026-12843
LearnDash LMS 4.25.0 - 5.1.6 - Unauthenticated Arbitrary Course Enrollment via REST Endpoint
5.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LL
LearnDash LMS · StellarWP
4.25.0 through 5.1.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12843
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12843
docs.nexcess.com
https://docs.nexcess.com/software/changelogs/learndash/sfwd-lms/5-1-6-1/
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/48d29e8d-4084-401e-82ff-e4750d739c7c?source=cve
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