CVE-2025-15479
Medium
Description
Stored cross-site scripting (XSS, CWE-79) in the survey content and administration functionality in Data Illusion Zumbrunn NGSurvey Enterprise Edition 3.6.4 on all supported platforms ( on Windows and Linux servers ) allows authenticated remote users with survey creation or edit privileges to execute arbitrary JavaScript in other users’ browsers, steal session information and perform unauthorized actions on their behalf via crafted survey content that is rendered without proper output encoding.
SeverityMedium
CVSS5.4
Exploit probability—
ProductNgsurvey
PublishedJan 7, 2026
First seenJan 7, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- ngsurvey ngsurvey3.6.17 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ngsurvey ngsurvey | v < 3.6.17 | 3.6.17 |
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