CVE-2025-59837

PoC —

CVSS 3.1

7.2 high

EPSS

<1%p26

Published

Oct 28, 2025 (Oct 28, 2025)

Modified

Jun 17, 2026

Description

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 potentially cross-site scripting (XSS). This vulnerability exists due to an incomplete fix for CVE-2025-58179. Fixed in 5.13.10.

Vendors: astro
Products: astro
Weakness: CWE-79, CWE-918
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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