CVE-2017-16019: Gitbook

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

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

• Gitbook Gitbook: before 3.2.2 (fixed in 3.2.2)

Published 2018-06-04. Last modified 2026-06-17.