CVE-2026-10623
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…
Does this matter?
Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 0.25% probability · 17th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-639
- Source
- security@wordfence.com
EPSS 0.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/PressPrimer/pressprimer-quiz/commit/1795687
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1703
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1786
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1813
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1860
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1923
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1963
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L434
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1703
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1786
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1813
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1860
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1923
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1963
- https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L434
- https://www.wordfence.com/threat-intel/vulnerabilities/id/150ac796-d77b-4915-8bbf-9f9b54be8eaf?source=cve
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.