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CVE-2026-4951— Reflected Cross-Site Scripting in CustomerAdministration Portal (KundenManager)in VertiGIS WebOrderSystem

Quick assessment

Affected
VertiGIS Ltd. WebOrderSystem (KundenManager)
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.

VertiGIS WebOrderSystem 的客户管理门户（KundenManager）允许特权用户跨所有已定义的公司（用户组）搜索员工。搜索条件可通过 URL 参数 传递，因此当已登录用户访问此类 URL 时即会执行搜索操作。若该参数中植入 JavaScript 代码，则会在受害者的浏览器中执行。未认证的攻击者只要知晓 URL 结构，即可构造包含恶意脚本的链接；当当前已登录门户的特权用户打开该链接时，脚本便会执行。由于管理员用户可在无需输入旧密码的情况下修改其他用户（包括其他管理员）的密码，攻击者可能借此接管

CVSS 5.1 · Medium

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-4951

Vulnerability Information
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Vulnerability Title
Reflected Cross-Site Scripting in CustomerAdministration Portal (KundenManager)in VertiGIS WebOrderSystem
Source: CVE Program / CVE List V5
Vulnerability Description
The CustomerAdministration portal (KundenManager) of VertiGIS WebOrderSystem allows privileged users to search for employees across all defined companies (user groups). The search term can be passed in the "searchValue" URL parameter, so the search is performed when a logged-in user opens such a URL. JavaScript code placed in this parameter is executed in the victim's browser. An unauthenticated attacker who knows the URL structure can craft a link that contains script code. The code runs if a privileged user who is currently logged into the portal opens the link. Because administrative users can change the passwords of other users, including administrators, without entering the old password, an attacker may be able to take over accounts or lock out other users. Version 7.0.8.6, the latest available at the time of testing, is affected. The vendor did not provide information about further affected versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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

Affected Products

Vendor Product Affected Versions CPE Subscribe
VertiGIS Ltd. WebOrderSystem (KundenManager) 0 ~ 7.0.8.6 -

II. Public POCs for CVE-2026-4951

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III. Intelligence Information for CVE-2026-4951

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Other References for CVE-2026-4951 (1)

Same Patch Batch · VertiGIS Ltd. · 2026-10-23 · 3 CVEs total

CVE-2026-4952 5.1 MEDIUM Stored Cross-Site Scripting in OrderAdministration Portal (AuftragsManager) via Business R
CVE-2026-4950 4.8 MEDIUM Stored Cross-Site Scripting in CustomerAdministration Portal (KundenManager) in VertiGIS W

IV. Related Vulnerabilities

Same product: WebOrderSystem (KundenManager)
Same vendor: VertiGIS Ltd.
Same weakness: CWE-79

V. Comments for CVE-2026-4951

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