home-assistant core prior 2026.01 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.80

Summaryinfo

A vulnerability marked as problematic has been reported in home-assistant core. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2026-33045. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in home-assistant core. It has been classified as problematic. This affects an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE 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 advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-33045 since 03/17/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 2026.01 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-16775). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: core 2026.01

Timelineinfo

03/17/2026 CVE reserved
03/27/2026 +10 days Advisory disclosed
03/27/2026 +0 days VulDB entry created
03/29/2026 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-46j8-vpx8-6p72
Status: Confirmed

CVE: CVE-2026-33045 (🔒)
GCVE (CVE): GCVE-0-2026-33045
GCVE (VulDB): GCVE-100-354057
EUVD: 🔒

Entryinfo

Created: 03/27/2026 23:52
Updated: 03/29/2026 05:12
Changes: 03/27/2026 23:52 (66), 03/29/2026 05:12 (1)
Complete: 🔍
Cache ID: 216:7C9:103

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