Server-side Request Forgery (SSRF)

Astro is vulnerable to server-side request forgery SSRF. The vulnerability is due to improper image proxy domain validation, which allows an attacker to bypass restrictions using backslashes in the href parameter and trigger server-side requests to arbitrary URLs...

EUVD-2025-36542

Astro is a web framework that includes an image proxy. In versions 5.13.4 and later before 5.13.10, the image proxy domain validation can be bypassed by using backslashes in the href parameter, allowing server-side requests to arbitrary URLs. This can lead to server-side request forgery SSRF and...