CVE-2025-15479
NGSurvey Enterprise 3.6.4 incorrect authorization exposes other users’ API keys and personal data
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.
INFO
Published Date :
Jan. 7, 2026, 2:15 p.m.
Last Modified :
Jan. 29, 2026, 1:17 a.m.
Remotely Exploit :
Yes !
Source :
64c5ae8f-7972-4697-86a0-7ada793ac795
Affected Products
The following products are affected by CVE-2025-15479
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 64c5ae8f-7972-4697-86a0-7ada793ac795 | ||||
| CVSS 4.0 | MEDIUM | 64c5ae8f-7972-4697-86a0-7ada793ac795 |
Solution
- Implement strict output encoding for all dynamic content.
- Validate and sanitize all survey content inputs.
- Regularly update software to the latest version.
- Apply security patches when available.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-15479.
| URL | Resource |
|---|---|
| https://cds.thalesgroup.com/en/tcs-cert/CVE-2025-15479 | Third Party Advisory |
| https://docs.ngsurvey.com/installation-setup/change-log#id-3.6.17-2025-05-28 | Release Notes |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-15479 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-15479
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-15479 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-15479 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 29, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:ngsurvey:ngsurvey:*:*:*:*:enterprise:*:*:* versions up to (excluding) 3.6.17 Added Reference Type TCS-CERT: https://cds.thalesgroup.com/en/tcs-cert/CVE-2025-15479 Types: Third Party Advisory Added Reference Type TCS-CERT: https://docs.ngsurvey.com/installation-setup/change-log#id-3.6.17-2025-05-28 Types: Release Notes -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 07, 2026
Action Type Old Value New Value Added CWE CWE-79 -
New CVE Received by 64c5ae8f-7972-4697-86a0-7ada793ac795
Jan. 07, 2026
Action Type Old Value New Value 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. Added CVSS V4.0 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 Added Reference https://cds.thalesgroup.com/en/tcs-cert/CVE-2025-15479 Added Reference https://docs.ngsurvey.com/installation-setup/change-log#id-3.6.17-2025-05-28