{"action":"Upgrade astro to 4.16.19 or later.","affected":[{"fixed":"5.13.2","introduced":"5.0.0-alpha.0"},{"fixed":"4.16.19","introduced":"0"}],"component":"astro","cve_ids":["CVE-2025-55303"],"ecosystem":"npm","epss":0.00637,"exploited":false,"fixed_versions":["5.13.2","4.16.19"],"ghsa_id":"GHSA-xf8x-j4p2-f749","id":"tcs_01M5KGHS78J3FAQ9F35YBH0ZW5","modified_at":"2025-11-27T08:22:36.525875Z","published_at":"2025-08-19T15:40:31Z","references":["https://osv.dev/vulnerability/GHSA-xf8x-j4p2-f749","https://github.com/withastro/astro/security/advisories/GHSA-xf8x-j4p2-f749","https://nvd.nist.gov/vuln/detail/CVE-2025-55303","https://github.com/withastro/astro/commit/4d16de7f95db5d1ec1ce88610d2a95e606e83820","https://github.com/withastro/astro"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-xf8x-j4p2-f749","url":"https://osv.dev/vulnerability/GHSA-xf8x-j4p2-f749"}],"summary":"Astro allows unauthorized third-party images in _image endpoint"}