{"action":"Upgrade svelte to 5.55.7 or later.","affected":[{"fixed":"5.55.7","introduced":"0"}],"component":"svelte","cve_ids":["CVE-2026-42573"],"ecosystem":"npm","epss":0.00342,"exploited":false,"fixed_versions":["5.55.7"],"ghsa_id":"GHSA-rcqx-6q8c-2c42","id":"tcs_01M5KG8T9KW82FYJP92EK52P53","modified_at":"2026-06-09T18:45:28.738624174Z","published_at":"2026-05-14T20:29:13Z","references":["https://osv.dev/vulnerability/GHSA-rcqx-6q8c-2c42","https://github.com/sveltejs/svelte/security/advisories/GHSA-rcqx-6q8c-2c42","https://nvd.nist.gov/vuln/detail/CVE-2026-42573","https://github.com/sveltejs/svelte","https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.7"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-rcqx-6q8c-2c42","url":"https://osv.dev/vulnerability/GHSA-rcqx-6q8c-2c42"},{"source":"nvd","source_id":"CVE-2026-42573","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42573"}],"summary":"Svelte Vulnerable to XSS via DOM Clobbering of Internal Framework State"}