Hono: Server-Side XSS via JSX Escaping Bypass in cx() Utility

Summary cx in hono/css composes class names from plain strings but marks the result as already-escaped without HTML-escaping the input. When the result is used as a JSX class attribute during server-side rendering, the value is written into the attribute unescaped, so untrusted input can break ou...

CVE-2026-59895 Hono: Server-Side XSS via JSX Escaping Bypass in cx() Utility

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...

PT-2026-56505

Name of the Vulnerable Software and Affected Versions Hono versions 4.0.0 through 4.12.26 Description The cx function in hono/css composes class names from plain strings but marks the result as already escaped without performing HTML-escaping on the input. This allows untrusted className values...

CVE-2023-28669

Jenkins JaCoCo Plugin 3.3.2 and earlier does not escape class and method names shown on the UI, resulting in a stored cross-site scripting XSS vulnerability exploitable by attackers able to control input files for the 'Record JaCoCo coverage report' post-build action...