CVE-2026-33044 — Home Assistant has stored XSS in Map-card through malicious device name

CVE-2026-33044

Home Assistant has stored XSS in Map-card through malicious device name PUBLISHED

Description (CNA)

Home Assistant is open source home automation software that puts local control and privacy first. Starting in version 2020.02 and prior to version 2026.01, an authenticated party can add a malicious name to their device entity, allowing for Cross-Site Scripting attacks against anyone who can see a dashboard with a Map-card which includes that entity. It requires that the victim hovers over an information point. Version 2026.01 fixes the issue.

Affected (CNA)

Vendor / product	Versions
home-assistant / core	affected >= 2020.02, < 2026.01

CWE

CWE-79

References

https://github.com/home-assistant/core/security/advisories/GHSA-r584-6283-p7xc

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.