CVE-2026-10623: Pressprimer Quiz – Ai Quiz Maker, Exam Builder & Lms Assessment Plugin

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Pressprimer Pressprimer Quiz – Ai Quiz Maker, Exam Builder & Lms Assessment Plugin: up to and including 2.3.0

Published 2026-06-18. Last modified 2026-06-18.