{"id":"CVE-2026-114061","revision":"ccb3c5b7e83348509918297c6721a676","records":[{"revision":"ccb3c5b7e83348509918297c6721a676","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-114061","aliases":[],"title":"SvelteKit before 3.0.0 XSS via Cache-Control Header in Prerendered Pages","description":"SvelteKit (@sveltejs/kit) before 3.0.0 contains a cross-site scripting vulnerability in prerendered pages because a cache-control header value set via setHeaders is inserted without escaping into a <meta http-equiv=\"cache-control\"> tag. An attacker who can influence that untrusted value at prerender time can break out of the content attribute and inject HTML or JavaScript that executes when users visit the page.","state":0,"publishedAt":"2026-10-21T00:36:35.456+00:00","modifiedAt":"2026-10-21T00:36:35.456+00:00","affected":[{"ecosystem":"Vendor product","name":"kit","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"sveltejs\",\n                    \"product\": \"kit\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/%40sveltejs/kit\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.0.0\"\n                        },\n                        {\n                            \"version\": \"3.0.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":2.3,"severity":"LOW"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","score":4.7,"severity":"MEDIUM"}],"references":["https://github.com/sveltejs/kit/security/advisories/GHSA-27mw-82g8-phjj","https://www.vulncheck.com/advisories/sveltekit-before-3.0.0-xss-via-cache-control-header-in-prerendered-pages"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114061","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-114061","identifiers":["CVE-2026-114061"]},"retained":false,"historicalAffected":[]}],"coverage":[]}