CVE-2026-104392 PUBLISHED

WordPress Quiz And Survey Master plugin <= 11.2.7 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 02.10.2026 Published: 09.10.2026 Updated: 09.10.2026

Deserialization of Untrusted Data vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows Object Injection.This issue affects Quiz And Survey Master: from n/a through 11.2.7.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	ExpressTech
Product	Quiz And Survey Master
Versions	Default: unaffected affected from 0 to 11.2.7 (incl.)

Solutions

Update the WordPress Quiz And Survey Master plugin to the latest available version (at least 11.2.8).

Credits

Ananda Dhakal (Patchstack) finder

References

https://patchstack.com/database/wordpress/plugin/quiz-master-next/vulnerability/wordpress-quiz-and-survey-master-plugin-11-2-7-php-object-injection-vulnerability?_s_id=cve

Problem Types

Deserialization of Untrusted Data CWE

Impacts

Object Injection