What’s Vulnerable › Vulnerabilities

CVE-2017-16019

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-06-04 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• HackerOne gitbook node module: before 3.2.2 — fixed in 3.2.2

How to fix

Upgrade to a fixed version: HackerOne gitbook node module 3.2.2. Check the vendor advisory for mitigations.

References

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

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