{"action":"Upgrade astro to 7.0.4 or later.","affected":[{"fixed":"7.0.4","introduced":"3.10.0"}],"component":"astro","cve_ids":["CVE-2026-59727"],"ecosystem":"npm","epss":0.00393,"exploited":false,"fixed_versions":["7.0.4"],"ghsa_id":"GHSA-7pw4-f3q4-r2p2","id":"tcs_01M5KFAKE7GDBEY163H9T1XG77","modified_at":"2026-08-12T20:45:07.788934236Z","published_at":"2026-07-20T23:21:02Z","references":["https://osv.dev/vulnerability/GHSA-7pw4-f3q4-r2p2","https://github.com/withastro/astro/security/advisories/GHSA-7pw4-f3q4-r2p2","https://nvd.nist.gov/vuln/detail/CVE-2026-59727","https://github.com/withastro/astro/pull/17212","https://github.com/withastro/astro/commit/7ba0bb1dc7516e88caff9abd7767322af44b0294","https://github.com/withastro/astro","https://github.com/withastro/astro/releases/tag/astro@7.0.4"],"severity":{"label":"low"},"sources":[{"source":"osv","source_id":"GHSA-7pw4-f3q4-r2p2","url":"https://osv.dev/vulnerability/GHSA-7pw4-f3q4-r2p2"}],"summary":"Astro: Cross-site scripting via unescaped transition:* directive values on hydrated islands"}