CVE-2021-23129

    Dashboard / Vulnerabilities / CVE-2021-23129

    CVE-2021-23129

    Published: 4 Mar 2021Last Modified: 8 Jul 2026

    Summary:

    Details: An issue was discovered in Joomla! 2.5.0 through 3.9.24. Missing filtering of messages showed to users that could lead to xss issues.

    References: https://developer.joomla.org/security-centre/843-20210303-core-xss-within-alert-messages-showed-to-users.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- d53146a31d303a10b8cc4fa78a6fb16770ae50e7
    Fixed -aadf6979f8b99308c3621ea3af2ca98e678a477d

    Affected versions

    3.9.25-rc
    3.9.24
    3.9.24-rc2
    3.9.24-rc
    3.9.20-rc
    3.9.23
    3.9.23-rc2
    3.9.23-rc
    3.9.19
    3.9.22
    3.9.22-rc
    3.9.21
    3.9.21-rc
    3.9.20
    3.9.19-rc
    3.9.17-rc
    3.9.18
    3.9.17
    3.9.16
    3.9.15
    3.9.15-rc
    3.9.16-rc
    3.9.14
    3.9.14-rc
    3.9.13
    3.9.12
    3.9.13-rc2
    3.9.13-rc
    3.9.12-rc
    3.9.11
    3.9.10
    3.9.8
    3.9.11-rc
    3.9.9
    3.9.6
    3.9.5
    3.9.9-rc
    3.9.4
    3.9.3
    3.9.7
    3.9.7-rc
    3.9.2-rc
    3.9.1
    3.9.6-rc2
    3.9.6-rc
    3.9.0
    3.9.0-rc
    3.9.0-beta4
    3.9.5-rc
    3.9.4-rc
    3.9.3-rc
    3.9.2
    3.9.1-rc
    3.9.0-rc2
    3.9.0-beta3
    3.9.0-beta2
    3.9.0-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
    CVE-2021-23129 | CVE-DB