Astro: Cross-site scripting via unescaped transition:* directive values on hydrated islands

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-59727 · Microsoft / collected KEV context

GHSA-7pw4-f3q4-r2p2

cve-program · CVE-2026-59727

• https://github.com/withastro/astro/security/advisories/GHSA-7pw4-f3q4-r2p2
• https://github.com/withastro/astro/pull/17212
• https://github.com/withastro/astro/commit/7ba0bb1dc7516e88caff9abd7767322af44b0294
• https://github.com/withastro/astro/releases/tag/[email protected]

nvd · CVE-2026-59727

• https://github.com/withastro/astro/commit/7ba0bb1dc7516e88caff9abd7767322af44b0294
• https://github.com/withastro/astro/pull/17212
• https://github.com/withastro/astro/releases/tag/[email protected]
• https://github.com/withastro/astro/security/advisories/GHSA-7pw4-f3q4-r2p2

osv · 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/[email protected]

No related operational record is retained in the current change model.