CVE-2026-86244

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    CVE-2026-86244

    Published: 7 Sept 2026Last Modified: 7 Sept 2026

    Summary: FastAdmin User Controller User.php login cross site scripting

    Details: A security vulnerability has been detected in FastAdmin up to 1.2.0.20210401_beta. Affected is the function register/login of the file application/index/controller/User.php of the component User Controller. Such manipulation of the argument url leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. Upgrading to version 1.2.1.20210731_beta is able to address this issue. The name of the patch is b3d32e2bf3637488cfe2fc58a27a9d2475b2b51b. It is recommended to upgrade the affected component.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86244.json, https://github.com/fastadminnet/fastadmin/commit/b3d32e2bf3637488cfe2fc58a27a9d2475b2b51b, https://lhzzz08.github.io/posts/cveapplication4/, https://nvd.nist.gov/vuln/detail/CVE-2026-86244, https://vuldb.com/cve/CVE-2026-86244, https://vuldb.com/submit/898809, https://vuldb.com/vuln/399399, https://vuldb.com/vuln/399399/cti

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 04e1f7f0aeb929c0f0218cdb9876f3e5a5c041d0
    Fixed -None

    Affected versions

    1.2.0.20210401_beta

    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