MasterStudy LMS < 3.7.50 - Subscriber+ Lesson Completion Record Creation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-88847
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 06:17:03 UTC
Updated2026-09-24 14:42:02 UTC
DescriptionThe MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that a user is enrolled in a course before recording lesson completions against it, allowing any authenticated user, such as a subscriber, to create course progress records for courses they have no access to.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from ADP

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.001320000 probability, percentile 0.022540000 (date 2026-09-24)

Problem Types: CWE-862 | CWE-862 Missing Authorization | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown MasterStudy LMS WordPress Plugin affected 3.7.50 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/c42e9b3a-5a0d-4e16-b18a-4184c09bcb5a [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Arman Kumar (en)

CNA: WPScan (en)

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