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    CVE-2025-64525

    Astro is a web framework. In Astro versions 2.16.0 up to but excluding 5.15.5 which utilizeon-demand rendering, request headers `x-forwarded-proto` and `x-forwarded-port` are insecurely used, without sanitization, to build the URL. This has several consequences, the most important of which are: middleware-based protected route bypass (only via `x-forwarded-proto`), DoS via cache poisoning (if a CDN is present), SSRF (only via `x-forwarded-proto`), URL pollution (potential SXSS, if a CDN is present), and WAF bypass. Version 5.15.5 contains a patch.

    Published:Nov 13, 2025
    Last Modified:Nov 25, 2025
    EPS:Nov 13, 2025
    EPSS Score:0.04286
    CVSS Score:6.5

    Affected Products

    Vendor
    Astro
    Product
    Astro
    Vendor
    Withastro
    Product
    Astro

    Exploits

    https://github.com/withastro/astro/security/advisories/GHSA-hr2q-hp5q-x767

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2026-33769 (CVSS 2.9) — Astro is a web framework. From version 2.10.10 to before version 5.18.1, this issue concerns Astro's remotePat…
    CVE-2025-66202 (CVSS 6.5) — Astro is a web framework. Versions 5.15.7 and below have a double URL encoding bypass which allows any unauthe…
    CVE-2025-64765 (CVSS 6.9) — Astro is a web framework. Prior to version 5.15.8, a mismatch exists between how Astro normalizes request path…
    CVE-2025-64764 (CVSS 7.1) — Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server is…
    CVE-2025-65019 (CVSS 5.4) — Astro is a web framework. Prior to version 5.15.9, when using Astro's Cloudflare adapter (@astrojs/cloudflare)…
    CVE-2025-64757 (CVSS 3.5) — Astro is a web framework. Prior to version 5.14.3, a vulnerability has been identified in the Astro framework'…
    CVE-2025-64745 (CVSS 2.7) — Astro is a web framework. Starting in version 5.2.0 and prior to version 5.15.6, a Reflected Cross-Site Script…
    CVE-2025-59837 (CVSS 7.2) — Astro is a web framework that includes an image proxy. In versions 5.13.4 and later before 5.13.10, the image …

    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