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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[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.
[20190104] - Core - Stored XSS issue in the Global Configuration help url
- 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.
[20190103] - Core - Stored XSS issue in the Global Configuration textfilter settings
- Project: Joomla!
- SubProject: CMS
- Impact: Low
- Severity: Low
- Versions: 2.5.0 through 3.9.1
- Exploit type: XSS
- Reported Date: 2018-November-29
- Fixed Date: 2019-January-15
- CVE Number: CVE-2019-6263
Description
Inadequate checks at the Global Configuration Text Filter 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.
[20190102] - Core - Stored XSS in com_contact
- Project: Joomla!
- SubProject: CMS
- Impact: Low
- Severity: Low
- Versions: 2.5.0 through 3.9.1
- Exploit type: XSS
- Reported Date: 2018-December-04
- Fixed Date: 2019-January-15
- CVE Number: CVE-2019-6261
Description
Inadequate escaping in com_contact leads to a stored XSS vulnerability
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.
[20190101] - Core - Stored XSS in mod_banners
- Project: Joomla!
- SubProject: CMS
- Impact: Low
- Severity: Low
- Versions: 2.5.0 through 3.9.1
- Exploit type: XSS
- Reported Date: 2018-December-01
- Fixed Date: 2019-January-15
- CVE Number: CVE-2019-6264
Description
Inadequate escaping in mod_banners leads to a stored XSS vulnerability.
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.
[20181005] - Core - CSRF hardening in com_installer
- Project: Joomla!
- SubProject: CMS
- Impact: Moderate
- Severity: Low
- Versions: 2.5.0 through 3.8.12
- Exploit type: CSRF
- Reported Date: 2018-September-26
- Fixed Date: 2018-October-02
- CVE Number: CVE-2018-17858
Description
Added additional CSRF hardening in com_installer actions in the backend.
Affected Installs
Joomla! CMS versions 2.5.0 through 3.8.12
Solution
Upgrade to version 3.8.13
Contact
The JSST at the Joomla! Security Centre.