{"id":"EUVD-2026-38335","revision":"52a84f427b7d46a3b42e162a678536fd","records":[{"revision":"52a84f427b7d46a3b42e162a678536fd","observedAt":"2026-11-01T09:11:36.598+00:00","statement":{"source":"euvd","id":"EUVD-2026-38335","aliases":["CVE-2026-50146","GHSA-8hv8-536x-4wqp"],"title":"Astro is a web framework. Prior to 6.3.3, when a component uses a client:* directive, Astro inserts named slot content into a data-astro-template attribute without HTML escaping the slot name allowing an attacker to break out of the attribu…","description":"Astro is a web framework. Prior to 6.3.3, when a component uses a client:* directive, Astro inserts named slot content into a data-astro-template attribute without HTML escaping the slot name allowing an attacker to break out of the attribute context and inject arbitrary HTML, resulting in reflected XSS during SSR. This vulnerability is fixed in 6.3.3.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","score":7.1,"severity":null}],"references":["https://github.com/withastro/astro/security/advisories/GHSA-8hv8-536x-4wqp"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38335","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jun 22, 2026, 5:31:56 PM","dateUpdated":"Jun 23, 2026, 2:11:04 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-38335","identifiers":["EUVD-2026-38335","CVE-2026-50146","GHSA-8hv8-536x-4wqp"]},"retained":false,"historicalAffected":[]}],"coverage":[]}