{"id":"CVE-2025-64764","sourceIdentifier":"security-advisories@github.com","published":"2025-11-19T17:15:52.647","lastModified":"2026-10-18T20:10:00.110","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8."},{"lang":"es","value":"Astro es un framework web. Versiones anteriores a la versión 5.15.8, una vulnerabilidad de XSS Reflejado está presente cuando la característica de islas del servidor se utiliza en la aplicación objetivo, independientemente de lo que se pretendía con la(s) plantilla(s) del componente. Este problema ha sido parcheado en la versión 5.15.8."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"withastro","product":"astro","versions":[{"version":"< 5.15.8","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":4.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-11-19T21:06:04.095169Z","id":"CVE-2025-64764","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-80"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:*","versionEndExcluding":"5.15.8","matchCriteriaId":"1015DFA8-9106-453C-9144-11E63ADA3B67"}]}]}],"references":[{"url":"https://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]}]}