CVE-2021-26034

    Dashboard / Vulnerabilities / CVE-2021-26034

    CVE-2021-26034

    Published: 26 May 2021Last Modified: 8 Jul 2026

    Summary:

    Details: An issue was discovered in Joomla! 3.0.0 through 3.9.26. A missing token check causes a CSRF vulnerability in data download endpoints in com_banners and com_sysinfo.

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c1acb7e6973bd549fe35a02659fe851ff1a37dfe
    Fixed -None

    Affected versions

    3.9.26
    3.9.26-rc
    3.9.25
    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-2021-26034 | CVE-DB