This feed provides announcements of resolved security issues in Joomla! software releases.

For more information about the Joomla! Security Strike Team (JSST) and its processes, please review our Security article.

To report potential security issues, please follow the guidelines in the above referenced article. Please note that we are only able to provide support for the Joomla! CMS, Joomla! Framework, and *.joomla.org network of websites.

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  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.7.0 through 3.8.7
  • Exploit type: Remote Code Execution
  • Reported Date: 2018-May-14
  • Fixed Date: 2018-May-22
  • CVE Number: CVE-2018-11321

Description

Inadequate filtering allows users authorised to create custom fields to manipulate the filtering options and inject an unvalidated option.

Affected Installs

Joomla! CMS versions 3.7.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Contact

The JSST at the Joomla! Security Centre.

Reported By: Benjamin Trenkle, JSST
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Moderate
  • Versions: 3.0.0 through 3.8.7
  • Exploit type:XSS
  • Reported Date:2018-February-02 & 2018-March-27
  • Fixed Date: 2018-May-22
  • CVE Number: CVE-2018-11326

Description

Inadequate input filtering leads to multiple XSS vulnerabilities. Additionally, the default filtering settings could potentially allow users of the default Administrator user group to perform a XSS attack.

Affected Installs

Joomla! CMS versions 3.0.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Additional Resources

Contact

The JSST at the Joomla! Security Centre.

Reported By: Kai Zhao of 3H Security Team & Zhouyuan Yang (FortiGuard Labs)
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.0.0 through 3.8.7
  • Exploit type: Information Disclosure
  • Reported Date: 2018-February-09
  • Fixed Date: 2018-May-22
  • CVE Number: CVE-2018-11325

Description

The web install application would autofill password fields after either a form validation error or navigating to a previous install step, and displays the plain text password for the administrator account at the confirmation screen.

Affected Installs

Joomla! CMS versions 3.0.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Contact

The JSST at the Joomla! Security Centre.

Reported By: Sascha Egerer
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Moderate
  • Versions: 3.1.0 through 3.8.7
  • Exploit type: Information Disclosure
  • Reported Date: 2018-April-27
  • Fixed Date: 2018-May-22
  • CVE Number: CVE-2018-11327

Description

Inadequate checks allowed users to see the names of tags that were either unpublished or published with restricted view permission .

Affected Installs

Joomla! CMS versions 3.1.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Contact

The JSST at the Joomla! Security Centre.

Reported By: Phil Taylor, JSST
  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Versions: 2.5.0 through 3.8.7
  • Exploit type: Malicious file upload
  • Reported Date: 2018-March-14
  • Fixed Date: 2018-May-22
  • CVE Number: CVE-2018-11322

Description

Depending on the server configuration, PHAR files might be handled as executable PHP scripts by the webserver.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Contact

The JSST at the Joomla! Security Centre.

Reported By: Demis Palma, JSST
  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Versions: 2.5.0 through 3.8.7
  • Exploit type: ACL violation
  • Reported Date: 2018-March-08
  • Fixed Date: 2018-May-22
  • CVE Number: CVE-2018-11323

Description

Inadequate checks allowed users to modify the access levels of user groups with higher permissions.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Contact

The JSST at the Joomla! Security Centre.

Reported By: Matias Aguirre, JSST
  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Versions: 3.5.0 through 3.8.5
  • Exploit type: SQLi
  • Reported Date: 2018-March-08
  • Fixed Date: 2018-March-12
  • CVE Number: CVE-2018-8045

Description

The lack of type casting of a variable in SQL statement leads to a SQL injection vulnerability in the User Notes list view

Affected Installs

Joomla! CMS versions 3.5.0 through 3.8.5

Solution

Upgrade to version 3.8.6

Contact

The JSST at the Joomla! Security Centre.

Reported By: Entropy Moe
  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Versions: 3.7.0 through 3.8.3
  • Exploit type: SQLi
  • Reported Date: 2017-November-17
  • Fixed Date: 2018-January-30
  • CVE Number: CVE-2018-6376

Description

The lack of type casting of a variable in SQL statement leads to a SQL injection vulnerability in the Hathor postinstall message.

Affected Installs

Joomla! CMS versions 3.7.0 through 3.8.3

Solution

Upgrade to version 3.8.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Karim Ouerghemmi, ripstech.com
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 1.5.0 through 3.8.3
  • Exploit type: XSS
  • Reported Date: 2017-November-17
  • Fixed Date: 2018-January-30
  • CVE Number: CVE-2018-6379

Description

Inadequate input filtering in the Uri class (formerly JUri) leads to a XSS vulnerability.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.8.3

Solution

Upgrade to version 3.8.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Octavian Cinciu
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.7.0 through 3.8.3
  • Exploit type: XSS
  • Reported Date: 2018-January-20
  • Fixed Date: 2018-January-30
  • CVE Number: CVE-2018-6377

Description

Inadequate input filtering in com_fields leads to a XSS vulnerability in multiple field types, i.e. list, radio and checkbox.

Affected Installs

Joomla! CMS versions 3.7.0 through 3.8.3

Solution

Upgrade to version 3.8.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Benjamin Trenkle, JSST