CVE-2026-56761
hono - HTML Injection via Improper JSX Attribute Name Handling in SSR
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | hono |
| Product | hono |
| Published | Jun 24, 2026 |
| Last Updated | Jun 24, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
hono / hono
0 < 4.12.14
References
Credits
🔍 tndud042713