CVE-2023-6155: Ays-Pro Quiz Maker

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

The Quiz Maker WordPress plugin before 6.4.9.5 does not adequately authorize the `ays_quiz_author_user_search` AJAX action, allowing an unauthenticated attacker to perform a search for users of the system, ultimately leaking user email addresses.

Affected products

• Ays-Pro Quiz Maker: before 6.4.9.5 (fixed in 6.4.9.5)

Published 2023-12-26. Last modified 2026-06-17.