CVE-2026-8474 Details
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.
A reflected cross-site scripting vulnerability has been identified in the login API of Stormshield Network Security (SNS) appliances. This issue affects versions 4.3.0 to 4.3.41, 4.8.0 to 4.8.15, and 5.0.0 to 5.0.5. The vulnerability allows an attacker to execute a script on the victim's machine, potentially leading to the theft of cookies or other sensitive information, as well as unauthorized modifications to page behavior, such as redirecting the victim to malicious websites.
Users can upgrade to SNS versions 5.0.6, 4.8.16, or 4.3.42 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 1, 2026CISA-ADP
Assessed Jun 1, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://advisories.stormshield.eu/2026-003/ | [email protected] | AdvisoryRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Stormshield Network Security | >= 4.3.0, <= 4.3.41 (semver) >= 4.8.0, <= 4.8.15 (semver) >= 5.0.0, <= 5.0.5 (semver) |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 1, 2026 | New CVE Received | [email protected] |
Volerion