EUVD-2026-65192
GHSA-9986-2jvx-wmgv
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Network-reachable AJAX endpoint requires an active WordPress login (PR:L); no integrity or availability impact; confidentiality loss bounded to quiz record data.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The WP Courses LMS - Online Courses Builder, eLearning Courses, Courses Solution, Education Courses plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.2.29 via the 'resultID' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to read any other user's quiz answers and scores by enumerating the incrementing resultID value via the wpcq_get_quiz_result AJAX action. The only access control on this endpoint is a nonce check (wpc_nonce) that is exposed to every logged-in user on the frontend, providing no meaningful authorization barrier.
AnalysisAI
Quiz result data exposure in the WP Courses LMS WordPress plugin lets any authenticated user read other users' quiz answers and scores by enumerating sequential resultID integers via the wpcq_get_quiz_result AJAX action. All plugin versions through 3.2.29 are affected; the only access gate - a frontend-exposed WordPress nonce - functions as an anti-CSRF token, not an authorization check, and is freely available to every logged-in user, providing no meaningful barrier. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid WordPress user account on the affected site - at minimum 'custom-level' access, which in practice means any registered and logged-in user including standard students or subscribers. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD CVSS 3.1 score of 4.3 (Medium) with vector AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N is well-calibrated: network-reachable, low complexity, but gated behind authentication, with impact confined to confidentiality of quiz data and no integrity or availability consequences. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | A fix commit has been merged to the WordPress plugin Subversion repository (https://plugins.trac.wordpress.org/changeset?reponame=&old=3660496%40wp-courses&new=3660496%40wp-courses), indicating an upstream fix exists; however, no specific patched release version number is independently confirmed beyond 3.2.29. … Detailed patch versions, workarounds, and compensating controls in full report. |
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