Quiz And Survey Master < 11.2.4 - Contributor+ Cross-Quiz Question Bank and Answer Key Disclosure via IDOR

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-79615
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:42 UTC
Updated2026-08-28 18:40:31 UTC
DescriptionThe Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not check authorisation when returning question bank entries through one of its REST API routes, allowing users with a role as low as Contributor to read the questions, hints and correct answer keys of quizzes belonging to other users.

Risk And Classification

Primary CVSS: v3.1 2.7 LOW from ADP

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

EPSS: 0.002180000 probability, percentile 0.120880000 (date 2026-08-29)

Problem Types: CWE-639 | CWE-639 Authorization Bypass Through User-Controlled Key | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED2.7LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary2.7LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Quiz And Survey Master QSM affected 11.2.4 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/f4c77fda-edc2-44c5-95d9-358636896b5f [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: Shikhali Jamalzade (en)

CNA: WPScan (en)

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