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CVE-2026-14466— Possible XSS in the SNS web administration panel

Quick assessment

Affected
Stormshield Stormshield Network Security
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Stormshield Network Security是法国Stormshield公司的一款集成防火墙与统一威胁管理功能的网络安全设备。 Stormshield Network Security 4.8.0版本至4.8.16版本和5.0.0版本至5.0.6版本存在跨站脚本漏洞，该漏洞源于Web管理面板的Webservices管理界面在组评论中未对输入进行有效过滤，可能导致存储型跨站脚本（XSS）攻击。

CVSS 4.3 · Medium EPSS 0.16% · P5

Affected Version Matrix 5

VendorProduct Version RangeStatus
Stormshield Stormshield Network Security 4.8.0≤ 4.8.16 affected
5.0.0≤ 5.0.6 affected
4.8.17 unaffected
5.0.7 unaffected
5.1.0 unaffected
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I. Basic Information for CVE-2026-14466

Vulnerability Information
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Vulnerability Title
Possible XSS in the SNS web administration panel
Source: CVE Program / CVE List V5
Vulnerability Description
It’s possible to run a stored XSS in Stormshield’s web administration panel. To exploit this vulnerability, a SNS administrator with appropriate permissions must inject  some malicious script in a group’s comments in the webservices administration interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Stormshield Network Security 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Stormshield Network Security是法国Stormshield公司的一款集成防火墙与统一威胁管理功能的网络安全设备。 Stormshield Network Security 4.8.0版本至4.8.16版本和5.0.0版本至5.0.6版本存在跨站脚本漏洞，该漏洞源于Web管理面板的Webservices管理界面在组评论中未对输入进行有效过滤，可能导致存储型跨站脚本（XSS）攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Stormshield Stormshield Network Security 4.8.0 ~ 4.8.16 -

II. Public POCs for CVE-2026-14466

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III. Intelligence Information for CVE-2026-14466

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Vendor Advisories for CVE-2026-14466 (1)

IV. Related Vulnerabilities

Same product: Stormshield Network Security
Same vendor: Stormshield
Same weakness: CWE-79

V. Comments for CVE-2026-14466

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