CVE-2026-111408

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

Published Oct 19, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Expresstech
Expresstech quiz And Survey Master
Wordpress-extensions
Wordpress-extensions quiz And Survey Master
Vendors & Products Expresstech
Expresstech quiz And Survey Master
Wordpress-extensions
Wordpress-extensions quiz And Survey Master
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title WordPress Quiz And Survey Master plugin <= 11.2.7 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 19, 2026, 5:17 PM
Reserved
Oct 16, 2026, 12:19 AM
Status
Deferred
Published
Oct 19, 2026, 10:16 AM
Modified
Oct 19, 2026, 6:16 PM