Joomla! Developer News and Updates

Security Announcements
  • [20170704] - Core - Installer: Lack of Ownership Verification
    • Project: Joomla!
    • SubProject: CMS Installer
    • Severity: High
    • Versions: 1.0.0 through 3.7.3
    • Exploit type: Lack of Ownership Verification
    • Reported Date: 2017-Apr-06
    • Fixed Date: 2017-July-25
    • CVE Number: CVE-2017-11364

    Description

    The CMS installer application lacked a process to verify the users ownership of a webspace, potentially allowing users to gain control.

    Please note: Already installed sites are not affected, as this issue is limited to the installer application!

    Affected Installs

    Joomla! CMS versions 1.0.0 through 3.7.3

    Solution

    Upgrade to version 3.7.4

    Contact

    The JSST at the Joomla! Security Centre.

    Reported By: Hanno Böck
  • [20170705] - Core - XSS Vulnerability
    • Project: Joomla!
    • SubProject: CMS
    • Severity: Low
    • Versions: 1.5.0 through 3.7.3
    • Exploit type: XSS
    • Reported Date: 2017-April-26
    • Fixed Date: 2017-July-25
    • CVE Number: CVE-2017-11612

    Description

    Inadequate filtering of potentially malicious HTML tags leads to XSS vulnerabilities in various components.

    Affected Installs

    Joomla! CMS versions 1.5.0 through 3.7.3

    Solution

    Upgrade to version 3.7.4

    Contact

    The JSST at the Joomla! Security Centre.

    Reported By: Beat B, JSST
  • [20170701] - Core - Information Disclosure
    • Project: Joomla!
    • SubProject: CMS
    • Severity: High
    • Versions: 1.7.3 - 3.7.2
    • Exploit type: Information Disclosure
    • Reported Date: 2016-Feb-05
    • Fixed Date: 2017-July-04
    • CVE Number: CVE-2017-9933

    Description

    Improper cache invalidation leads to disclosure of form contents.

    Affected Installs

    Joomla! CMS versions 1.7.3-3.7.2

    Solution

    Upgrade to version 3.7.3

    Contact

    The JSST at the Joomla! Security Centre.

    Reported By: Jeff Channell