CVE-2025-6174: Unknown Qwizcards | Online Quizzes And Flashcards

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

The Qwizcards | online quizzes and flashcards WordPress plugin through 3.9.4 does not sanitise and escape the "_stylesheet" parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin or any other user.

Affected products

• Unknown Qwizcards | Online Quizzes And Flashcards: up to and including 3.9.4

Published 2025-07-23. Last modified 2026-06-17.