Object Injection Vulnerability in Quiz And Survey Master by ExpressTech
CVE-2026-111408

8.8HIGH

Key Information:

Vendor

WordPress
Status
Quiz And Survey Master
Vendor
CVE Published:
19 October 2026

What is CVE-2026-111408?

A vulnerability exists in the Quiz And Survey Master plugin developed by ExpressTech, which allows for object injection due to deserialization of untrusted data. This flaw can potentially be exploited by attackers to manipulate application data, leading to malicious consequences. The issue affects versions of the plugin prior to 11.2.7, making it crucial for users to review their installations and apply necessary updates to mitigate risks.

Affected Version(s)

Quiz And Survey Master 0 <= 11.2.7

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ihsan Saddan | Patchstack Bug Bounty Program
.