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    CVE-2025-59837

    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.

    Published:Oct 28, 2025
    Last Modified:Nov 25, 2025
    EPS:Oct 28, 2025
    EPSS Score:0.00037
    CVSS Score:7.2

    Affected Products

    Vendor
    Astro
    Product
    Astro
    Vendor
    Withastro
    Product
    Astro

    Exploits

    https://github.com/withastro/astro/security/advisories/GHSA-qcpr-679q-rhm2

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High