{"id":"GHSA-h7h7-mm68-gmrc","summary":"Svelte affected by XSS in SSR `\u003coption\u003e` element","details":"In certain circumstances, the server-side rendering output of an `\u003coption\u003e` element does not properly escape its content, potentially allowing HTML injection in the SSR output. Client-side rendering is not affected.","aliases":["CVE-2026-27119"],"modified":"2026-02-23T22:48:04.189023Z","published":"2026-02-19T15:18:19Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-02-19T15:18:19Z","nvd_published_at":"2026-02-20T23:16:02Z","cwe_ids":["CWE-79"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/sveltejs/svelte/security/advisories/GHSA-h7h7-mm68-gmrc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27119"},{"type":"PACKAGE","url":"https://github.com/sveltejs/svelte"}],"affected":[{"package":{"name":"svelte","ecosystem":"npm","purl":"pkg:npm/svelte"},"ranges":[{"type":"SEMVER","events":[{"introduced":"5.39.3"},{"fixed":"5.51.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-h7h7-mm68-gmrc/GHSA-h7h7-mm68-gmrc.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N"}]}