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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[20190304] - Core - Missing ACL check in sample data plugins
- Project: Joomla!
- SubProject: CMS
- Impact: Moderate
- Severity: High
- Versions: 3.8.0 through 3.9.3
- Exploit type: XSS
- Reported Date: 2019-February-28
- Fixed Date: 2019-March-12
- CVE Number: CVE-2019-9713
Description
The sample data plugins lack ACL checks, allowing unauthorized access.
Affected Installs
Joomla! CMS versions 3.8.0 through 3.9.3
Solution
Upgrade to version 3.9.4
Contact
The JSST at the Joomla! Security Centre.
[20190303] - Core - XSS in media form field
- 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.
[20190302] - Core - XSS in item_title layout
- 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.
[20190301] - Core - XSS in com_config JSON handler
- 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.
[20190206] - Core - Implement the TYPO3 PHAR stream wrapper
- 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.
[20190205] - Core - XSS Issue in core.js writeDynaList
- 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.
[20190204] - Core - Stored XSS issue in the Global Configuration help url #2
- 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.
[20190203] - Core - Additional warning in the Global Configuration textfilter settings
- 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.
[20190202] - Core - Browserside mime-type sniffing causes XSS attack vectors
- 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.
[20190201] - Core - Lack of URL filtering in various core components
- 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.