CVE-2026-111408— WordPress Quiz And Survey Master plugin <= 11.2.7 - PHP Object Injection vulnerability
Quick assessment
Affected
ExpressTech Quiz And Survey Master
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
ExpressTech 的 Quiz And Survey Master 插件（quiz-master-next）中存在“不可信数据反序列化”漏洞，该漏洞可导致对象注入攻击。此问题影响 Quiz And Survey Master 插件的所有版本，从未知版本起至 11.2.7 版本。
Possible ATT&CK Techniques 3 AI
T1059.001 · PowerShell T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-111408
Vulnerability Information
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Vulnerability Title
WordPress Quiz And Survey Master plugin <= 11.2.7 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ExpressTech | Quiz And Survey Master | 0 ~ 11.2.7 | - |
|
II. Public POCs for CVE-2026-111408
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Security Blog Posts for CVE-2026-111408 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-111408
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