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 3.9.3
  • Exploit type: XSS
  • Reported Date: 2019-February-25
  • Fixed Date: 2019-March-12
  • CVE Number: CVE-2019-9714

Description

The media form field lacks escaping, leading to a XSS vulnerability.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.9.3

Solution

Upgrade to version 3.9.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Fouad Maakor
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.0.0 through 3.9.3
  • Exploit type: XSS
  • Reported Date: 2019-February-25
  • Fixed Date: 2019-March-12
  • CVE Number: CVE-2019-9711

Description

The item_title layout in edit views lacks escaping, leading to a XSS vulnerability.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.9.3

Solution

Upgrade to version 3.9.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Fouad Maakor
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.2.0 through 3.9.3
  • Exploit type: XSS
  • Reported Date: 2019-March-04
  • Fixed Date: 2019-March-12
  • CVE Number: CVE-2019-9712

Description

The JSON handler in com_config lacks input validation, leading to XSS vulnerability.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.9.3

Solution

Upgrade to version 3.9.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Mario Korth, Hackmanit
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 2.5.0 through 3.9.2
  • Exploit type: Object Injection
  • Reported Date: 2019-January-18
  • Fixed Date: 2019-February-12
  • CVE Number: CVE-2019-7743

Description

The phar:// stream wrapper can be used for objection injection attacks. We now disallow usage of the phar:// handler for non .phar-files within the CMS globally by implementing the TYPO3 PHAR stream wrapper.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.9.2

Solution

Upgrade to version 3.9.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: David Jardin (JSST)
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 2.5.0 through 3.9.2
  • Exploit type: XSS
  • Reported Date: 2018-October-07
  • Fixed Date: 2019-February-12
  • CVE Number: CVE-2019-7740

Description

Inadequate parameter handling in JS code could lead to an XSS attack vector.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.9.2

Solution

Upgrade to version 3.9.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Dimitris Grammatikogiannis
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 2.5.0 through 3.9.2
  • Exploit type: XSS
  • Reported Date: 2019-January-16
  • Fixed Date: 2019-February-12
  • CVE Number: CVE-2019-7741

Description

Inadequate checks at the Global Configuration helpurl settings allowed a stored XSS.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.9.2

Solution

Upgrade to version 3.9.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Antonin Steinhauser
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 2.5.0 through 3.9.2
  • Exploit type: XSS
  • Reported Date: 2019-January-17
  • Fixed Date: 2019-February-12
  • CVE Number: CVE-2019-7739

Description

"No Filtering" textfilter overrides child settings in the Global Configuration. This is intended behavior but might be unexpected for the user. An additional message is now shown in the configuration dialog.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.9.2

Solution

Upgrade to version 3.9.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Raviraj Powar
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 1.0.0 through 3.9.2
  • Exploit type: XSS
  • Reported Date: 2018-September-24
  • Fixed Date: 2019-February-12
  • CVE Number: CVE-2019-7742

Description

A combination of specific webserver configurations, in connection with specific file types and browserside mime-type sniffing causes a XSS attack vector.

Affected Installs

Joomla! CMS versions 1.0.0 through 3.9.2

Solution

Upgrade to version 3.9.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Hanno Böck
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 2.5.0 through 3.9.2
  • Exploit type: XSS
  • Reported Date: 2018-November-13
  • Fixed Date: 2019-February-12
  • CVE Number: CVE-2019-7744

Description

Inadequate filtering on URL fields in various core components could lead to an XSS vulnerability.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.9.2

Solution

Upgrade to version 3.9.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Antonin Steinhauser
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 2.5.0 through 3.9.1
  • Exploit type: XSS
  • Reported Date: 2018-December-05
  • Fixed Date: 2019-January-15
  • CVE Number: CVE-2019-6262

Description

Inadequate checks at the Global Configuration helpurl settings allowed a stored XSS.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.9.1

Solution

Upgrade to version 3.9.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Mario Korth, Hackmanit