CVE-2026-82850
The Masteriyo LMS WordPress plugin before 3.4.2 does not restrict access to quiz answer keys, allowing any authenticated user, such as a student, to retrieve the correct answers for any quiz on the site, including quizzes in courses they are not enrolled in. The redaction that hides them is applied only to a fixed list of question types, so the answers to every other type are returned in full to anyone able to view the questions.
Published:Sep 24, 2026
Last Modified:Sep 27, 2026
EPS:Sep 24, 2026
EPSS Score:0.00176
CVSS Score:4.3
Affected Products
Vendor
Product
Action
Vendor
Wordpress-extensions
Product
Masteriyo Lms
Wordpress-extensions
Masteriyo Lms
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
