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Critical · 9.6 CVE-2026-45323 EUVD-2026-32972

MeshCore Card: XSS vulnerability through meshcore node name

Published May 28, 2026 · Updated May 29, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
jpettitt meshcore-card < 0.3.3 —

References