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Security Announcements

  1. [20190402] - Core - Helpsites refresh endpoint callable for unauthenticated users
    • Project: Joomla!
    • SubProject: CMS
    • Impact: Low
    • Severity: High
    • Versions: 3.2.0 through 3.9.4
    • Exploit type: ACL Violation
    • Reported Date: 2019-March-13
    • Fixed Date: 2019-April-08
    • CVE Number: CVE-2019-10946

    Description

    The "refresh list of helpsites" endpoint of com_users lacks access checks, allowing calls from unauthenticated users.

    Affected Installs

    Joomla! CMS versions 3.2.0 through 3.9.4

    Solution

    Upgrade to version 3.9.5

    Contact

    The JSST at the Joomla! Security Centre.

    Reported By: Benjamin Trenkle (JSST)
  2. [20190401] - Core - Directory Traversal in com_media
    • Project: Joomla!
    • SubProject: CMS
    • Impact: Moderate
    • Severity: Low
    • Versions: 1.5.0 through 3.9.4
    • Exploit type: Directory Traversal
    • Reported Date: 2019-March-13
    • Fixed Date: 2019-April-08
    • CVE Number: CVE-2019-10945

    Description

    The Media Manager component does not properly sanitise the folder parameter, allowing attackers to act outside the media manager root directory.

    Affected Installs

    Joomla! CMS versions 1.5.0 through 3.9.4

    Solution

    Upgrade to version 3.9.5

    Contact

    The JSST at the Joomla! Security Centre.

    Reported By: Haboob Research Team
  3. [20190403] - Core - Object.prototype pollution in JQuery $.extend
    • Project: Joomla!
    • SubProject: CMS
    • Impact: Low
    • Severity: Moderate
    • Versions: 3.0.0 through 3.9.4
    • Exploit type: XSS
    • Reported Date: 2019-March-25
    • Fixed Date: 2019-April-09
    • CVE Number: TBA

    Description

    The $.extend method of JQuery is vulnerable to Object.prototype pollution attacks.

    Affected Installs

    Joomla! CMS versions 3.0.0 through 3.9.4

    Solution

    Upgrade to version 3.9.5

    Contact

    The JSST at the Joomla! Security Centre.

    Reported By: Michał Gołębiowski-Owczarek, David Jardin (JSST)
  4. [20190301] - Core - XSS in com_config JSON handler
    • Project: Joomla!
    • SubProject: CMS
    • Impact: Low
    • Severity: Low
    • Versions: 3.2.0 through 3.9.3
    • Exploit type: XSS
    • Reported Date: 2019-March-04
    • Fixed Date: 2019-March-12
    • CVE Number: CVE-2019-9712

    Description

    The JSON handler in com_config lacks input validation, leading to XSS vulnerability.

    Affected Installs

    Joomla! CMS versions 3.2.0 through 3.9.3

    Solution

    Upgrade to version 3.9.4

    Contact

    The JSST at the Joomla! Security Centre.

    Reported By: Mario Korth, Hackmanit
  5. [20190304] - Core - Missing ACL check in sample data plugins
    • Project: Joomla!
    • SubProject: CMS
    • Impact: Moderate
    • Severity: High
    • Versions: 3.8.0 through 3.9.3
    • Exploit type: XSS
    • Reported Date: 2019-February-28
    • Fixed Date: 2019-March-12
    • CVE Number: CVE-2019-9713

    Description

    The sample data plugins lack ACL checks, allowing unauthorized access.

    Affected Installs

    Joomla! CMS versions 3.8.0 through 3.9.3

    Solution

    Upgrade to version 3.9.4

    Contact

    The JSST at the Joomla! Security Centre.

    Reported By: Sven Hurt, Benjamin Trenkle