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    CVE-2025-66301

    Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/{page_name}, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through modifying the content of the data[_json][header][form] which is the YAML frontmatter which includes the process section which dictates what happens after a user submits the form which include some important actions that could lead to further vulnerabilities. This vulnerability is fixed in 1.8.0-beta.27.

    Published:Dec 1, 2025
    Last Modified:Dec 3, 2025
    EPS:Dec 1, 2025
    EPSS Score:0.00031
    CVSS Score:9.6

    Affected Products

    Vendor
    Getgrav
    Product
    Grav

    Exploits

    https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjhhttps://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh

    Common Weakness Enumeration

    CWE-285 Improper Authorization

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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