Object Injection in ExpressTech Quiz And Survey Master Plugin
CVE-2026-104392

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-104392?

An Object Injection vulnerability exists in the ExpressTech Quiz And Survey Master plugin, allowing attackers to exploit deserialization of untrusted data. This flaw is present in versions up to 11.2.7, potentially enabling unauthorized access and manipulation of the plugin's behavior.

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

Ananda Dhakal (Patchstack)
.