---
id: CVE-2026-111408
title: >-
  WordPress Quiz And Survey Master plugin <= 11.2.7 - PHP Object Injection
  vulnerability
summary: >-
  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.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: ExpressTech
product: quiz-master-next
affected:
  - quiz-master-next <= 11.2.7
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T09:09:18.970Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111408'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/quiz-master-next/vulnerability/wordpress-quiz-and-survey-master-plugin-11-2-7-php-object-injection-vulnerability-2?_s_id=cve
tags:
  - cve.org
ingestedAt: '2026-10-19T10:20:55.152Z'
---

## Overview

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.

## Affected

- `quiz-master-next <= 11.2.7`

## Remediation

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