Cross-site Scripting (XSS)

Overview @astrojs/internal-helpers is an Internal helpers used by core Astro packages. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the isRemoteAllowed function. An attacker can execute arbitrary JavaScript in the victim's browser by submitting a crafted SVG...

CVE-2025-65019

Astro is a web framework. Prior to version 5.15.9, when using Astro's Cloudflare adapter @astrojs/cloudflare with output: 'server', the image optimization endpoint /image contains a critical vulnerability in the isRemoteAllowed function that unconditionally allows data: protocol URLs. This enable...

CVE-2025-65019: Improper Neutralization of Input During Web Page Generation

Astro is a web framework. Prior to version 5.15.9, when using Astro's Cloudflare adapter @astrojs/cloudflare with output: 'server', the image optimization endpoint /image contains a critical vulnerability in the isRemoteAllowed function that unconditionally allows data: protocol URLs. This enable...