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: 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Inadequate checks allowed users to see the names of tags that were either unpublished or published with restricted view permission .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
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.0.0 through 3.8.3
  • Exploit type: XSS
  • Reported Date: 2018-January-21
  • Fixed Date: 2018-January-30
  • CVE Number: CVE-2018-6380

Description

Lack of escaping in the module chromes leads to XSS vulnerabilities in the module system.

Affected Installs

Joomla! CMS versions 3.0.0 through 3.8.3

Solution

Upgrade to version 3.8.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: David Jardin, JSST
  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 3.7.0 through 3.8.1
  • Exploit type: Information Disclosure
  • Reported Date: 2017-May-17
  • Fixed Date: 2017-November-07
  • CVE Number: CVE-2017-16633

Description

A logic bug in com_fields exposed read-only information about a site's custom fields to unauthorized users.

Affected Installs

Joomla! CMS versions 3.7.0 through 3.8.1

Solution

Upgrade to version 3.8.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Internal JSST audit