{"action":"Upgrade astro to 5.15.6 or later.","affected":[{"fixed":"5.15.6","introduced":"5.2.0"}],"component":"astro","cve_ids":["CVE-2025-64745"],"ecosystem":"npm","epss":0.00262,"exploited":false,"fixed_versions":["5.15.6"],"ghsa_id":"GHSA-w2vj-39qv-7vh7","id":"tcs_01M5KGDKDP98JD8CFKPYQY7RPY","modified_at":"2025-11-27T08:22:31.471739Z","published_at":"2025-11-13T22:38:30Z","references":["https://osv.dev/vulnerability/GHSA-w2vj-39qv-7vh7","https://github.com/withastro/astro/security/advisories/GHSA-w2vj-39qv-7vh7","https://nvd.nist.gov/vuln/detail/CVE-2025-64745","https://github.com/withastro/astro/pull/12994","https://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91","https://github.com/withastro/astro","https://github.com/withastro/astro/blob/5bc37fd5cade62f753aef66efdf40f982379029a/packages/astro/src/template/4xx.ts#L133-L149"],"severity":{"label":"low","score":2.7},"sources":[{"source":"osv","source_id":"GHSA-w2vj-39qv-7vh7","url":"https://osv.dev/vulnerability/GHSA-w2vj-39qv-7vh7"}],"summary":"Astro development server error page is vulnerable to reflected Cross-site Scripting"}