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 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
  • 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
  • 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
  • Project: Joomla!
  • SubProject: CMS
  • Severity: High
  • Versions: 1.7.3 - 3.7.2
  • Exploit type: XSS
  • Reported Date: 2017-June-04
  • Fixed Date: 2017-July-04
  • CVE Number: CVE-2017-9934

Description

Missing CSRF token checks and improper input validation lead to an XSS vulnerability.

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: Envo
  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 1.5.0 through 3.7.2
  • Exploit type: XSS
  • Reported Date: 2017-June-22
  • Fixed Date: 2017-July-04
  • CVE Number: CVE-2017-7985

Description

Inadequate filtering of multibyte characters leads to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.6.5

Solution

Upgrade to version 3.7.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Fortinet's FortiGuard Labs
  • Project: Joomla!
  • SubProject: CMS
  • Severity: High
  • Versions: 3.7.0
  • Exploit type: SQL Injection
  • Reported Date: 2017-May-11
  • Fixed Date: 2017-May-17
  • CVE Number: CVE-2017-8917

Description

Inadequate filtering of request data leads to a SQL Injection vulnerability.

Affected Installs

Joomla! CMS versions 3.7.0

Solution

Upgrade to version 3.7.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Marc-Alexandre Montpas / sucuri.net
  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 3.4.0 through 3.6.5
  • Exploit type: Information Disclosure
  • Reported Date: 2016-Feb-06
  • Fixed Date: 2017-April-25
  • CVE Number: CVE-2017-8057

Description

Multiple files caused full path disclosures on systems with enabled error reporting.

Affected Installs

Joomla! CMS versions 3.4.0 through 3.6.5

Solution

Upgrade to version 3.7.0

Contact

The JSST at the Joomla! Security Centre.

Reported By: Sim of tencent security
  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 3.2.0 through 3.6.5
  • Exploit type: ACL Violation
  • Reported Date: 2017-March-01
  • Fixed Date: 2017-April-25
  • CVE Number: CVE-2017-7989

Description

Inadequate mime type checks allowed low-privilege users to upload swf files even if they were explicitly forbidden.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.6.5

Solution

Upgrade to version 3.7.0

Contact

The JSST at the Joomla! Security Centre.

Reported By: Abdullah Hussam
  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 1.6.0 through 3.6.5
  • Exploit type: ACL Violation
  • Reported Date: 2016-April-29
  • Fixed Date: 2017-April-25
  • CVE Number: CVE-2017-7988

Description

Inadequate filtering of form contents lead allow to overwrite the author of an article.

Affected Installs

Joomla! CMS versions 1.6.0 through 3.6.5

Solution

Upgrade to version 3.7.0

Contact

The JSST at the Joomla! Security Centre.

Reported By: T-Systems Multimedia Solutions
  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 3.2.0 through 3.6.5
  • Exploit type: XSS
  • Reported Date: 2016-February-28
  • Fixed Date: 2017-April-25
  • CVE Number: CVE-2017-7987

Description

Inadequate escaping of file and folder names leads to XSS vulnerabilities in the template manager component.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.6.5

Solution

Upgrade to version 3.7.0

Contact

The JSST at the Joomla! Security Centre.

Reported By: David Jardin