CVE-2026-45323

critical · 9.6

MeshCore Card provides MeshCore Lovelace card for Home Assistant. Prior to 0.3.3, Meshcore node names are rendered without HTML escaping in meshcore-card, allowing any node within direct or indirect (repeated) radio range to execute arbitrary javascript in the Home Assistant frontend of anyone viewing the card. This vulnerability is fixed in 0.3.3.

9.6

CVSS

0.3%

EPSS (exploit prob.)

25th

EPSS percentile

2026-05-28

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weaknesses

CWE-79

Affected products

Vendor	Product	Affected versions
jpettitt	meshcore_card	< 0.3.3

Check a specific version with /api/v1/cve/match.

References

https://github.com/jpettitt/meshcore-card/security/advisories/GHSA-5vrg-xpcj-xppc
https://github.com/jpettitt/meshcore-card/security/advisories/GHSA-5vrg-xpcj-xppc

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-45323