Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-23756— GFI HelpDesk < 4.99.9 Stored XSS via Troubleshooter Step Subject

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，该漏洞源于故障排除器模块中对subject POST参数清理不足，可能导致经过身份验证的员工在步骤主题字段中注入任意JavaScript，从而在用户导航到Troubleshooter > View Troubleshooter并点击受影响的步骤链接时执行。

CVSS 5.4 · Medium EPSS 0.14% · P3
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-23756

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
GFI HelpDesk < 4.99.9 Stored XSS via Troubleshooter Step Subject
Source: CVE Program / CVE List V5
Vulnerability Description
GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the Troubleshooter module where the subject POST parameter is not sanitized in Controller_Step.InsertSubmit() and EditSubmit() before being rendered by View_Step.RenderViewSteps(). An authenticated staff member can inject arbitrary JavaScript into the step subject field, and the payload executes when any user navigates to Troubleshooter > View Troubleshooter and clicks the affected step link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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，该漏洞源于故障排除器模块中对subject POST参数清理不足，可能导致经过身份验证的员工在步骤主题字段中注入任意JavaScript，从而在用户导航到Troubleshooter > View Troubleshooter并点击受影响的步骤链接时执行。
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-2026-23756

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-23756

请登录查看更多情报信息。

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-2026-23753 4.8 MEDIUM GFI HelpDesk < 4.99.9 Stored XSS via charset Parameter
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-2026-23756

No comments yet

Leave a comment