CVE-2025-15479

NGSurvey Enterprise 3.6.4 incorrect authorization exposes other users’ API keys and personal data

Published Jan 7, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Ngsurvey
Ngsurvey ngsurvey
CPEs cpe:2.3:a:ngsurvey:ngsurvey:*:*:*:*:enterprise:*:*:*
Vendors & Products Ngsurvey
Ngsurvey ngsurvey
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
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.
Title NGSurvey Enterprise 3.6.4 incorrect authorization exposes other users’ API keys and personal data
First Time appeared Data Illusion Zumbrunn
Data Illusion Zumbrunn ngsurvey
CPEs cpe:2.3:a:data_illusion_zumbrunn:ngsurvey:*:*:linux:*:*:*:*:*
cpe:2.3:a:data_illusion_zumbrunn:ngsurvey:*:*:windows:*:*:*:*:*
Vendors & Products Data Illusion Zumbrunn
Data Illusion Zumbrunn ngsurvey
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TCS-CERT
Published
Updated
Jan 7, 2026, 3:03 PM
Reserved
Jan 7, 2026, 1:10 PM
Status
Analyzed
Published
Jan 7, 2026, 2:15 PM
Modified
Oct 7, 2026, 9:10 AM