Security Announcements

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: 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

You can find more details and other default changes in 3.8.8 at the Documentation.

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Inadequate checks allowed users to see the names of tags that were either unpublished or published with restricted view permission .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

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

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