{"id":"CVE-2026-24771","aliases":["GHSA-9r54-q6cx-xmh5"],"url":"https://o3.security/vulnerability/CVE-2026-24771","summary":"Hono has a Cross-site Scripting vulnerability","details":"Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.11.7, a Cross-Site Scripting (XSS) vulnerability exists in the `ErrorBoundary` component of the hono/jsx library. Under certain usage patterns, untrusted user-controlled strings may be rendered as raw HTML, allowing arbitrary script execution in the victim's browser. Version 4.11.7 patches the issue.","published":"2026-01-27T19:41:33.773Z","modified":"2026-08-07T11:50:31.132260002Z","cvss":{"score":4.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"hono","fixedVersion":"4.11.7"}],"fix":{"url":"https://github.com/honojs/hono/commit/2cf60046d730df9fd0aba85178f3ecfe8212d990","label":"honojs/hono@2cf6004"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24771.json"},{"type":"ADVISORY","url":"https://github.com/honojs/hono/security/advisories/GHSA-9r54-q6cx-xmh5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24771"},{"type":"FIX","url":"https://github.com/honojs/hono/commit/2cf60046d730df9fd0aba85178f3ecfe8212d990"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:50:31.132260002Z"}}