CVE-2021-28145

    Dashboard / Vulnerabilities / CVE-2021-28145

    CVE-2021-28145

    Published: 18 Mar 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Concrete CMS (formerly concrete5) before 8.5.5 allows remote authenticated users to conduct XSS attacks via a crafted survey block. This requires at least Editor privileges.

    References: https://documentation.concrete5.org/developers/introduction/version-history/855-release-notes, https://www.concrete5.org/developers/security

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -eb2e83dd9fc3f0eefa748ccc22bc4aed8ef85410

    Affected versions

    8.5.4
    8.5.3
    8.5.2
    8.5.1
    8.5.0

    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
    CVE-2021-28145 | CVE-DB