CVE-2026-10623: CWE-639 Authorization Bypass Through User-Controlled Key in pressprimer PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin
The 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.
AI Analysis
Technical Summary
The PressPrimer Quiz plugin for WordPress suffers from an authorization bypass vulnerability (CWE-639) due to missing validation on the user-controlled 'rule_id' parameter. Authenticated attackers with custom-level access or above can exploit this insecure direct object reference to modify or delete quiz rules of other users, compromising the integrity of quiz content. This affects all versions up to and including 2.3.0. There is no vendor advisory or patch available at this time, and no known exploits in the wild have been reported.
Potential Impact
An attacker with authenticated custom-level access or higher can perform unauthorized modifications or deletions of quiz rules belonging to other teachers. This compromises the integrity of quiz data and may disrupt quiz functionality or assessment accuracy. There is no direct impact on confidentiality or availability reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict custom-level user privileges to trusted users only to reduce risk. Monitor for vendor updates regarding patches or official mitigations.
CVE-2026-10623: CWE-639 Authorization Bypass Through User-Controlled Key in pressprimer PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin
Description
The 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.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The PressPrimer Quiz plugin for WordPress suffers from an authorization bypass vulnerability (CWE-639) due to missing validation on the user-controlled 'rule_id' parameter. Authenticated attackers with custom-level access or above can exploit this insecure direct object reference to modify or delete quiz rules of other users, compromising the integrity of quiz content. This affects all versions up to and including 2.3.0. There is no vendor advisory or patch available at this time, and no known exploits in the wild have been reported.
Potential Impact
An attacker with authenticated custom-level access or higher can perform unauthorized modifications or deletions of quiz rules belonging to other teachers. This compromises the integrity of quiz data and may disrupt quiz functionality or assessment accuracy. There is no direct impact on confidentiality or availability reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict custom-level user privileges to trusted users only to reduce risk. Monitor for vendor updates regarding patches or official mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-06-02T14:00:23.399Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a338758f198dc38c1370dc9
Added to database: 6/18/2026, 5:51:20 AM
Last enriched: 6/18/2026, 6:06:21 AM
Last updated: 6/19/2026, 4:25:10 AM
Views: 7
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