CVE-2018-17256

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    CVE-2018-17256

    Published: 27 Nov 2018Last Modified: 8 Jul 2026

    Summary:

    Details: Persistent cross-site scripting (XSS) vulnerability in Umbraco CMS 7.12.3 allows authenticated users to inject arbitrary web script via the Header Name of a content (Blog, Content Page, etc.). The vulnerability is exploited when updating or removing public access of a content.

    References: https://www.cspcert.ph/advisories/2018/CVE-2018-17256.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 4d4630915b8f25a1c9259a2b29fb5d48f3f8d40c
    Fixed -None

    Affected versions

    7.12.3

    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