CVE-2026-8474— Possible to run a Cross Site Scripting request on the login API available on Stormshield SNS appliances.
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-8474
Vulnerability Information
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Vulnerability Title
Possible to run a Cross Site Scripting request on the login API available on Stormshield SNS appliances.
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| StormShield | StormShield Network Security | 4.3.0 ~ 4.3.41 | - |
II. Public POCs for CVE-2026-8474
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-8474 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-8474
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