CVE-2023-6155: Quiz Maker < 6.4.9.5 - Unauthenticated Email Address Disclosure

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-12-26 · updated 2026-06-17
Weakness: CWE-287

Description

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

How to fix

Upgrade to a fixed version: Ays Pro Quiz Maker 6.4.9.5. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/c62be802-e91a-4bcf-990d-8fd8ef7c9a28
https://wpscan.com/vulnerability/c62be802-e91a-4bcf-990d-8fd8ef7c9a28

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