A vulnerability was discovered on Stormshield Network Security 





* 4.3.0 to 4.3.41, 
* 4.8.0 to 4.8.15, 
* 5.0.0 to 5.0.5








It is possible to execute a reflected XSS attack on the login API available on Stormshield SNS appliance by executing a script on the victim's machine. The risks include the theft of cookies or other sensitive data, as well as the modification of page behavior, for example, by redirecting the victim to malicious websites.

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Advisories

No advisories yet.

Fixes

Solution

The following updates fix this vulnerability: * SNS 5.0.6 * SNS 4.8.16 * SNS 4.3.42


Workaround

No workaround given by the vendor.

History

Mon, 01 Jun 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Stormshield
Stormshield stormshield Network Security
Vendors & Products Stormshield
Stormshield stormshield Network Security

Mon, 01 Jun 2026 09:15:00 +0000

Type Values Removed Values Added
Description A vulnerability was discovered on Stormshield Network Security  * 4.3.0 to 4.3.41,  * 4.8.0 to 4.8.15,  * 5.0.0 to 5.0.5 It is possible to execute a reflected XSS attack on the login API available on Stormshield SNS appliance by executing a script on the victim's machine. The risks include the theft of cookies or other sensitive data, as well as the modification of page behavior, for example, by redirecting the victim to malicious websites.
Title Possible to run a Cross Site Scripting request on the login API available on Stormshield SNS appliances.
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: airbus

Published:

Updated: 2026-06-01T07:50:04.199Z

Reserved: 2026-05-13T13:10:26.492Z

Link: CVE-2026-8474

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-01T09:16:21.163

Modified: 2026-06-01T09:16:21.163

Link: CVE-2026-8474

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T11:45:06Z

Weaknesses