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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-56761

hono - HTML Injection via Improper JSX Attribute Name Handling in SSR

Description

hono before 4.12.14 contains an html injection vulnerability in jsx server-side rendering that allows attackers to inject unintended html by using malformed attribute names. Attackers can craft specially crafted attribute keys containing characters like quotes or angle brackets to break html tag boundaries and inject arbitrary attributes or elements.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

hono hono

Default version status: unaffected

  • 0 to < 4.12.14affected
  • 4.12.14unaffected
pkg:npm/hono

References