CVE-2025-23724

CVE-2025-23724 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the University Quizzes Online WordPress plugin by oleksandr87. The issue affects all versions of the plugin from unknown initial release through 1.4 inclusive, allowing malicious input to be reflected and executed in users' browsers without proper sanitization.

The vulnerability carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating network accessibility, low attack complexity, no required privileges, and user interaction such as clicking a malicious link. Unauthenticated attackers can exploit it by crafting payloads delivered via web requests, achieving limited impacts on confidentiality, integrity, and availability with a changed scope, typically enabling JavaScript execution in the victim's context to steal session data or perform other client-side actions.

Patchstack's advisory at https://patchstack.com/database/Wordpress/Plugin/university-quizzes-online/vulnerability/wordpress-university-quizzes-online-plugin-1-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve provides details on the vulnerability in the WordPress University Quizzes Online plugin version 1.4. Security practitioners should update to a patched version if available or disable the plugin on affected sites.