CVE-2026-104391
Received Received - Intake

Stored XSS in Quiz And Survey Master Plugin

Vulnerability report for CVE-2026-104391, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-07

Last updated on: 2026-10-07

Assigner: Patchstack

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-07
Last Modified
2026-10-07
Generated
2026-10-07
AI Q&A
2026-10-07
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ExpressTech Quiz And Survey Master 0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the ExpressTech Quiz And Survey Master plugin (quiz-master-next). It allows attackers to inject malicious scripts into web pages that are stored on the server and executed when other users view those pages. The flaw exists due to improper neutralization of user input during web page generation.

Impact Analysis

An attacker could exploit this to steal user sessions, deface websites, or perform actions on behalf of users. Users viewing affected pages may have their data compromised or be redirected to malicious sites. The impact depends on user privileges and the sensitivity of data processed by the plugin.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection requirements. For HIPAA, it may compromise protected health information if exploited in healthcare-related quizzes. Organizations must address this to maintain compliance with data protection regulations.

Mitigation Strategies

Update Quiz And Survey Master to the latest version to address the Stored XSS vulnerability. If updating is not possible, consider disabling the plugin temporarily until a patch is applied.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-104391. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart