LOW 2.3 NVD
CVE-2026-93981
hono before 4.13.7 fails to HTML-escape plain strings rendered by hono/jsx as a child or fallback of Suspense, as a string child of ErrorBoundary alongside an a
hono before 4.13.7 fails to HTML-escape plain strings rendered by hono/jsx as a child or fallback of Suspense, as a string child of ErrorBoundary alongside an asynchronous sibling, as the single child of a Context.Provider, or as the root value passed to renderToString() or renderToReadableStream() from hono/jsx/dom/server. These paths stringify their input and treat the result as already-escaped markup, so an attacker who controls such a string during server-side rendering can inject arbitrary HTML and execute script under the application's origin.
References
- https://github.com/honojs/hono/security/advisories/GHSA-hxh3-vqpv-xpqv
- https://www.vulncheck.com/advisories/hono-jsx-before-4.13.7-cross-site-scripting-via-unesc
This low severity vulnerability with a CVSS score of 2.3 was published on 2026-09-19 via NVD.
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