Insecure Direct Object Reference in PressPrimer Quiz Plugin for WordPress
CVE-2026-10623

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Pressprimer Quiz – Ai Quiz Maker, Exam Builder & Lms Assessment Plugin
Vendor
CVE Published:
18 June 2026

What is CVE-2026-10623?

The PressPrimer Quiz plugin for WordPress contains a vulnerability that allows authenticated attackers with custom-level access and higher to exploit missing validation in the 'rule_id' parameter. This flaw enables them to modify or delete quiz rules created by other users, leading to potential unauthorized changes and tampering with the quiz structure. It is crucial for users to update their plugins to the latest version to mitigate this risk.

Affected Version(s)

PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin 0 <= 2.3.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/pressprimer-qu...
https://plugins.trac.wordpress.org/browser/pressprimer-qu...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Truong Tran
.