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Hono is a Web application framework that provides support for any JavaScript runtime. From 4.0.0 before 4.12.27, cx() in hono/css composes class names from plain strings but marks the result as already escaped without HTML-escaping the input, allowing untrusted className values used in a JSX class attribute during server-side rendering to break out of the attribute and inject arbitrary markup. This issue is fixed in version 4.12.27.
CVSS 6.1EPSS 0.198%Riziko 0.62
Zobraziť zdroj- Zverejnené
- 2026-07-08 17:17:27
- Dotknuté verzie
- <4.12.27
- Typ
- Webová aplikácia
- Vektor
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N