CVE-2025-15479 json
NGSurvey Enterprise 3.6.4 incorrect authorization exposes other users’ API keys and personal data
published 10mo ago modified last mo. also EUVD-2026-1222
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Data Illusion Zumbrunn NGSurvey 3.6.17
Is CVE-2025-15479 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 10mo ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.1 | 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 |
| CNA | 4.0 | 5.1 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Data Illusion Zumbrunn NGSurvey
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
docs.ngsurvey.com
/installation-setup/change-log#id-3.6.17-2025-05-28
vendor-advisory, release-notes
-
cds.thalesgroup.com
/en/tcs-cert/CVE-2025-15479
third-party-advisory
Sources
- CVE List CVE-2025-15479
- NVD CVE-2025-15479
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.