CVE-2025-59837

HighCVSS 7.2/10Last modified Oct 8, 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.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79 CWE-918

Affected software

No affected versions have been published.

Timeline

Published: Oct 28, 2025
Last modified: Oct 8, 2026
NVD status: Analyzed

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