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    CVE-2025-64764

    Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8.

    Published:Nov 19, 2025
    Last Modified:Nov 20, 2025
    EPS:Nov 19, 2025
    EPSS Score:0.00029
    CVSS Score:7.1

    Affected Products

    Vendor
    Astro
    Product
    Astro

    Exploits

    https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723

    Related CVEs

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    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-2025-65019 (CVSS 5.4) — Astro is a web framework. Prior to version 5.15.9, when using Astro's Cloudflare adapter (@astrojs/cloudflare)…
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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