EUVD-2026-54306
GHSA-6p9h-wm5r-xwmr
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Network-reachable via HTTP (AV:N), no special conditions beyond holding an enrollment (AC:L), requires low-privilege authenticated account (PR:L), and only course content confidentiality is affected (C:L, I:N, A:N).
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
3DescriptionCVE.org
The Tutor LMS WordPress plugin before 3.9.14 does not properly verify enrollment when restricting access to protected course content, allowing authenticated users with subscriber-level access and above who are enrolled in at least one course to view paid lesson, quiz, and assignment content belonging to other courses.
AnalysisAI
Tutor LMS WordPress plugin before 3.9.14 fails to correctly scope enrollment checks when gating access to protected course content, meaning any authenticated subscriber enrolled in at least one course can freely access paid lessons, quizzes, and assignments from courses they never purchased. This breaks the revenue model of any site selling course content through the plugin, as a single free or low-cost enrollment grants lateral access across the entire content library. No public exploit code has been identified at time of analysis, and the issue is not listed in the CISA KEV catalog.
Technical ContextAI
Tutor LMS is a WordPress learning management system plugin that enforces enrollment-based access control over course content such as lessons, quizzes, and assignments. The affected logic evaluates whether a requesting user is enrolled in *a* course rather than verifying enrollment in the *specific* course containing the requested content. This is a horizontal authorization bypass - the plugin correctly identifies authenticated users and confirmed enrollees, but the enrollment predicate is evaluated at the wrong scope (any course vs. the content-owning course). Although no CWE is assigned in the advisory, this maps conceptually to CWE-284 (Improper Access Control) or CWE-862 (Missing Authorization). Affected CPE covers all Tutor LMS releases from version 0 through 3.9.13 inclusive, per EUVD-2026-54306.
RemediationAI
Update Tutor LMS to version 3.9.14 or later, which contains the vendor-released patch addressing the enrollment scope verification flaw. The fix version is confirmed by the EUVD-2026-54306 affected range and the WPScan advisory at https://wpscan.com/vulnerability/0da44ad7-a5a7-4559-b2ae-3b7f0b0ce1bf/. If immediate patching is not feasible, a compensating control is to temporarily set all premium course content to draft status or restrict it via a separate access mechanism (such as a membership plugin with independent capability checks), accepting the trade-off of making paid content unavailable to legitimate purchasers. Operators should also audit access logs for unexpected lesson or quiz endpoint access from accounts enrolled in free or low-cost courses, as this pattern may reveal prior exploitation.
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External POC / Exploit Code
Leaving vuln.today