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Vulnerabilities

Vulnerability · CVE-2025-15479

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 platfo

Published Jan 7, 2026 · catalog updated Jan 7, 2026 · Data Illusion Zumbrunn NGSurvey

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-15479. EPSS is 0.20%. Act only if a listed version of Data Illusion Zumbrunn NGSurvey is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Version ranges on file
Affected products
vendor Data Illusion Zumbrunn NGSurvey 3.6.4 <3.6.17

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Data Illusion Zumbrunn NGSurvey 3.6.4 <3.6.173.6.4 <3.6.17

How to fix CVE-2025-15479

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-15479. EPSS is 0.20%. Act only if a listed version of Data Illusion Zumbrunn NGSurvey is installed.

Which versions are affected?

Compare what you have installed with Data Illusion Zumbrunn NGSurvey 3.6.4 <3.6.17 3.6.4 <3.6.17. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 7, 2026 · EUVD

    Detected

    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

  2. Jan 7, 2026 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-15479

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-15479

    30-day exploitation probability 0.20%

    first.org
  • EUVDVulnerability recordEUVD-2026-1222

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026