PressPrimer Quiz <= 2.3.0 - Insecure Direct Object Reference to Authenticated (Custom+) Arbitrary Modification via 'quiz_id', 'item_id', and 'rule_id' Parameters

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Summary

CVECVE-2026-10623
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-18 06:16:56 UTC
Updated2026-06-18 19:16:19 UTC
DescriptionThe PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.3.0 via the 'rule_id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to modify or delete quiz rules belonging to other teachers, resulting in unauthorized tampering of another user's quiz structure.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

EPSS: 0.002600000 probability, percentile 0.171140000 (date 2026-06-23)

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED4.3MEDIUMCVSS: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 Pressprimer PressPrimer Quiz AI Quiz Maker Exam Builder LMS Assessment Plugin affected 2.3.0 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/150ac796-d77b-4915-8bbf-9f9b5... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
github.com/PressPrimer/pressprimer-quiz/commit/1795687 [email protected] github.com
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-re... [email protected] plugins.trac.wordpress.org
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: Truong Tran (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-08T18:28:54.000ZVendor Notified
CNA2026-06-17T16:50:00.000ZDisclosed
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