Cross Site Scripting Vulnerability in Quiz And Survey Master Plugin by WordPress
CVE-2026-40787

7.1HIGH

Key Information:

Vendor

WordPress
Status
Quiz And Survey Master
Vendor
CVE Published:
15 June 2026

What is CVE-2026-40787?

A security flaw in the Quiz And Survey Master plugin allows attackers to exploit unauthenticated Cross Site Scripting (XSS), compromising the integrity of user data. This vulnerability affects versions up to 11.0.0, and unauthenticated users can execute arbitrary JavaScript on the web application's context, leading to potential data theft and session hijacking.

Affected Version(s)

Quiz And Survey Master <= 11.0.0

References

https://patchstack.com/database/wordpress/plugin/quiz-mas...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jakub Herman | Patchstack Bug Bounty Program
.