CVE-2026-33045CWE-79

Home Assistant has stored XSS in history-graphs

High · published March 27, 2026

CVSS v4.0
7.3
EPSS
0%
Percentile
15.2
In the wild
Unconfirmed
What it is

Home Assistant is open source home automation software that puts local control and privacy first. Starting in version 2025.02 and prior to version 2026.01 the "remaining charge time"-sensor for mobile phones (imported/included from Android Auto it appears) is vulnerable cross-site scripting, similar to CVE-2025-62172. Version 2026.01 fixes the issue.

The record
Technical detail
CVSS v4.0
7.3 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
EPSS
0.00248 · 15.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-03-27T19:39Z
EPSS history
Timeline
  • 27 MAR 19:39Z
    Home Assistant has stored XSS in history-graphs
    cvelistv5