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CVE-2026-23753— GFI HelpDesk < 4.99.9 Stored XSS via charset Parameter

Quick assessment

Affected
GFI Software HelpDesk
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.

GFI HelpDesk是美国GFI开源的一个面向企业IT支持流程的服务请求与工单管理系统。 GFI HelpDesk 4.99.9之前版本存在安全漏洞，该漏洞源于语言管理功能中对charset POST参数清理不足，可能导致经过身份验证的管理员在创建或编辑语言时注入任意JavaScript，从而在查看Languages页面的任何管理员浏览器中执行。

CVSS 4.8 · Medium EPSS 0.15% · P4
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I. Basic Information for CVE-2026-23753

Vulnerability Information
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Vulnerability Title
GFI HelpDesk < 4.99.9 Stored XSS via charset Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the language management functionality where the charset POST parameter is passed directly to SWIFT_Language::Create() without HTML sanitization and subsequently rendered unsanitized by View_Language.RenderGrid(). An authenticated administrator can inject arbitrary JavaScript through the charset field when creating or editing a language, and the payload executes in the browser of any administrator viewing the Languages page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/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
GFI HelpDesk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GFI HelpDesk是美国GFI开源的一个面向企业IT支持流程的服务请求与工单管理系统。 GFI HelpDesk 4.99.9之前版本存在安全漏洞，该漏洞源于语言管理功能中对charset POST参数清理不足，可能导致经过身份验证的管理员在创建或编辑语言时注入任意JavaScript，从而在查看Languages页面的任何管理员浏览器中执行。
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
GFI Software HelpDesk 0 ~ 4.99.9 -

II. Public POCs for CVE-2026-23753

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III. Intelligence Information for CVE-2026-23753

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Same Patch Batch · GFI Software · 2026-04-20 · 5 CVEs total

CVE-2026-23757 5.4 MEDIUM GFI HelpDesk < 4.99.10 Stored XSS via Reports Module
CVE-2026-23756 5.4 MEDIUM GFI HelpDesk < 4.99.9 Stored XSS via Troubleshooter Step Subject
CVE-2026-23752 4.8 MEDIUM GFI HelpDesk < 4.99.9 Stored XSS via companyname Parameter
CVE-2026-23758 GFI HelpDesk < 4.99.9 Stored XSS via editsubject Parameter

IV. Related Vulnerabilities

Same product: HelpDesk
Same vendor: GFI Software
Same weakness: CWE-79

V. Comments for CVE-2026-23753

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