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I. Basic Information for CVE-2026-26352
Vulnerability Information

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Vulnerability Title
Smoothwall Express < 3.1 Update 13 Stored XSS in vpnmain.cgi via VPN_IP Parameter
Source: NVD (National Vulnerability Database)
Vulnerability Description
Smoothwall Express versions prior to 3.1 Update 13 contain a stored cross-site scripting vulnerability in the /cgi-bin/vpnmain.cgi script due to improper sanitation of the VPN_IP parameter. Authenticated attackers can inject arbitrary JavaScript through VPN configuration settings that executes when the affected page is viewed by other users.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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)
Vulnerability Title
Smoothwall Express 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Smoothwall Express是Smoothwall开源的一个基于GNU/Linux的防火墙操作系统。 Smoothwall Express 3.1 Update 13之前版本存在跨站脚本漏洞,该漏洞源于对VPN_IP参数清理不当,可能导致存储型跨站脚本攻击。
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
VendorProductAffected VersionsCPESubscribe
SmoothwallExpress 0 ~ 3.1 Update 13 -
II. Public POCs for CVE-2026-26352
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III. Intelligence Information for CVE-2026-26352
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