Astro - Unauthorized Third-Party Image Access

Astro 5.13.2 and 4.16.18 contains an information disclosure vulnerability caused by improper validation of protocol-relative URLs in the image optimization endpoint, letting attackers serve images from unauthorized third-party domains, exploit requires on-demand rendering deployment. id:...

Server-side Request Forgery

astrojs/cloudflare is vulnerable to Server-side Request Forgery. The vulnerability is due to insufficient URL validation in the generated image optimization endpoint when the adapter is used with output: 'server' and the default imageService: 'compile', an attacker can exploit this to have the...

CVE-2025-55303 Unauthorized third-party images in Astro’s _image endpoint

Astro is a web framework for content-driven websites. In versions of astro before 5.13.2 and 4.16.18, the image optimization endpoint in projects deployed with on-demand rendering allows images from unauthorized third-party domains to be served. On-demand rendered sites built with Astro include a...

CVE-2025-55303 Unauthorized third-party images in Astro’s _image endpoint

Astro is a web framework for content-driven websites. In versions of astro before 5.13.2 and 4.16.18, the image optimization endpoint in projects deployed with on-demand rendering allows images from unauthorized third-party domains to be served. On-demand rendered sites built with Astro include a...

GHSA-XF8X-J4P2-F749 Astro allows unauthorized third-party images in _image endpoint

Summary In affected versions of astro, the image optimization endpoint in projects deployed with on-demand rendering allows images from unauthorized third-party domains to be served. Details On-demand rendered sites built with Astro include an /image endpoint which returns optimized versions of...

CVE-2016-9077

Canvas allows the use of the "feDisplacementMap" filter on images loaded cross-origin. The rendering by the filter is variable depending on the input pixel, allowing for timing attacks when the images are loaded from third party locations. This vulnerability affects Firefox 50...