happy-dom package vulnerabilities
Advisories affecting the happy-dom package. A list cannot tell you whether your installed version is affected — the dependency check can.
3 vulnerabilities tracked.
Check which version you are running → — this page lists advisories for the package; only a version check can tell you whether you are affected.
- 8.8 Happy DOM: Incomplete fix for CVE-2026-33943: unsanitized import alias leads to host code execution
- 8.6 Happy DOM: SSRF via iframe and link stylesheet when parsing untrusted HTML
- 6.5 Happy DOM has cookie scope forgery: no DNS-label boundary on Domain= matching , attacker origin sets victim cookies
What this covers
This feed accumulates forward from the day it started storing records, and a name search that finds nothing here is also looked up against the registers directly — so an older advisory resolves even when it predates the corpus. It is still a reading view, not a substitute for the vendor's own advisory, and absence from this page is not a statement that happy-dom is free of vulnerabilities.
Query this from an agent over MCP · Check a lockfile by version
Other packages tracked here
filelock node-forge github.com/labstack/echo/v4 vllm github.com/labstack/echo/v5 undici virtualenv @highcharts/dashboards authlib adminneo-org/adminneo pypdf GitPython highcharts org.keycloak:keycloak-services org.mariadb.jdbc:mariadb-java-client @highcharts/grid-pro zip seroval onnx russh rustls pyasn1 mlflow phpoffice/phpspreadsheet