Capricorn86: >> Happy Dom >> 0.4.5 Security Vulnerabilities
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Versions prior to 20.8.9 may attach cookies from the current page origin (`window.location`) instead of the request target URL when `fetch(..., { credentials: "include" })` is used. This can leak cookies from origin A to destination B. Version 20.8.9 fixes the issue.
CVSS Score
7.5
EPSS Score
0.0
Published
2026-03-27