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

This month

MEDIUM 6.1UPGRADE

CVE-2017-16019 is a medium-severity flaw (CVSS 6.1) affecting gitbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-06-04
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: gitbook

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-06-04 19:29 UTCPublished CVE record published
2026-06-17 01:08 UTCUpdated Record last modified

gitbook gitbook UPGRADE

Affected: < 3.2.2

Fixed in: 3.2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls gitbook

2. UPGRADE to 3.2.2

npm install gitbook@">=3.2.2"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-16019?

gitbook: upgrade to 3.2.2. Exact commands for each OS are on this page.

Is CVE-2017-16019 being exploited?

CVE-2017-16019 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-16019 affect?

CVE-2017-16019 affects gitbook. Severity is medium (CVSS 6.1). 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 a

How urgent is CVE-2017-16019?

Priority 41/100. Public exploit reference

Software pages

Node.js vulnerabilities · GitHub vulnerabilities · Git vulnerabilities

Related CVEs

CVE-2019-19596 MEDIUM 5.4 UPGRADE GitBook through 2.6.9 allows XSS via a local .md file.

References

← Back to latest CVEs