CVE-2026-104391— WordPress Quiz And Survey Master plugin <= 11.2.7 - Cross Site Scripting (XSS) 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.
在 ExpressTech 的 Quiz And Survey Master（quiz-master-next）插件中，存在网页生成过程中输入中和不当的漏洞（即“跨站脚本攻击”，XSS）。该问题允许存储型 XSS（Stored XSS）。此漏洞影响 Quiz And Survey Master 插件的版本：从 n/a 到 11.2.7。
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I. Basic Information for CVE-2026-104391
Vulnerability Information
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Vulnerability Title
WordPress Quiz And Survey Master plugin <= 11.2.7 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows Stored XSS.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:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
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-2026-104391
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-104391 (1)
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V. Comments for CVE-2026-104391
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