LearnHouse before 1.4.0 contains a missing authorization vulnerability in POST /api/v1/playgrounds/{uuid}/duplicate that skips the read-access and draft checks enforced by get_playground. Authenticated users with playground creation rights, such as Instructors, who know a RESTRICTED or unpublished playground UUID can copy its html_content and republish it publicly.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 4
https://github.com/learnhouse/learnhouse
disclosure@vulncheck.com
https://github.com/learnhouse/learnhouse/commit/9a1319185a596ea9b40651dbfd96f05…
disclosure@vulncheck.com
https://github.com/learnhouse/learnhouse/pull/1120
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/learnhouse-before-1.4.0-missing-authorizat…
disclosure@vulncheck.com