Update the WordPress Quiz And Survey Master plugin to the latest available version (at least 7.3.11).
MgThuraMoeMyint discovered and reported this Bypass Vulnerability vulnerability in WordPress Quiz And Survey Master Plugin. A bypass vulnerability could allow a malicious actor to bypass certain restrictions in the code. For example a way to bypass certain authorization checks which might allow a malicious actor to gain access to the admin panel. This vulnerability has been fixed in version 7.3.11.
Unauth. iFrame Injection vulnerability via Paragraph and Short Answer
Improper Input Validation vulnerability
Sensitive Information Disclosure vulnerability
CrossSite Scripting (XSS) vulnerability
Multiple Insecure direct object references (IDOR) vulnerabilities