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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[20170704] - Core - Installer: Lack of Ownership Verification
- 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.
[20170705] - Core - XSS Vulnerability
- 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.
[20170701] - Core - Information Disclosure
- 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.
[20170702] - Core - XSS Vulnerability
- 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.
[20170703] - Core - XSS Vulnerability
- 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.
[20170501] - Core - SQL Injection
- 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.
[20170408] - Core - Information Disclosure
- 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.
[20170407] - Core - ACL Violations
- 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.
[20170406] - Core - ACL Violations
- 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.
[20170405] - Core - XSS Vulnerability
- 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.