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    CVE-2025-66311

    This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a Stored Cross-Site Scripting (XSS) vulnerability was identified in the /admin/pages/[page] endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[header][metadata], data[header][taxonomy][category], and data[header][taxonomy][tag] parameters. These scripts are stored in the page frontmatter and executed automatically whenever the affected page is accessed or rendered in the administrative interface. This vulnerability is fixed in 1.11.0-beta.1.

    Published:Dec 1, 2025
    Last Modified:Dec 3, 2025
    EPS:Dec 1, 2025
    EPSS Score:0.00043
    CVSS Score:5.4

    Affected Products

    Vendor
    Getgrav
    Product
    Grav
    Vendor
    Getgrav
    Product
    Grav-plugin-admin

    Exploits

    https://github.com/getgrav/grav/security/advisories/GHSA-mpjj-4688-3fxghttps://github.com/getgrav/grav/security/advisories/GHSA-mpjj-4688-3fxg

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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