{"id":"CVE-2026-114061","published":"2026-10-21T01:17:29.297","lastModified":"2026-10-22T17:34:37.867","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.","cvssScore":4.7,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/sveltejs/kit/security/advisories/GHSA-27mw-82g8-phjj","tags":[]},{"url":"https://www.vulncheck.com/advisories/sveltekit-before-3.0.0-xss-via-cache-control-header-in-prerendered-pages","tags":[]}],"exploitRefs":[{"url":"https://github.com/sveltejs/kit/security/advisories/GHSA-27mw-82g8-phjj","tags":[]}],"hasPoc":true,"ai":null}