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CVE-2026-56761GHSA-458J-XX4X-4375

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.12.14
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • hono hono

    fixed in 4.12.14

  • hononpm

    fixed in 4.12.14

References 2

GitHub · honojs/hono

vulncheck.com