CVE-2026-73422 Astro: Reflected XSS via unescaped View Transition animation properties

Astro is a web framework for content-driven websites. From 2.9.0 until 7.1.0, Astro's server-side View Transition CSS generator interpolates animation properties into an inline style element without escaping them for CSS and HTML contexts. An attacker-controlled View Transition animation value su...

CVE-2026-73422 Astro: Reflected XSS via unescaped View Transition animation properties

Astro is a web framework for content-driven websites. From 2.9.0 until 7.1.0, Astro's server-side View Transition CSS generator interpolates animation properties into an inline style element without escaping them for CSS and HTML contexts. An attacker-controlled View Transition animation value su...

PT-2026-71318

Name of the Vulnerable Software and Affected Versions Astro versions 2.9.0 through 7.0.9 Description The server-side View Transition CSS generator interpolates animation properties into an inline style element without proper escaping for CSS and HTML contexts. An attacker can provide a malicious...