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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[20180101] - Core - XSS vulnerability in module chromes
- Project: Joomla!
- SubProject: CMS
- Impact: Moderate
- Severity: Low
- Versions: 3.0.0 through 3.8.3
- Exploit type: XSS
- Reported Date: 2018-January-21
- Fixed Date: 2018-January-30
- CVE Number: CVE-2018-6380
Description
Lack of escaping in the module chromes leads to XSS vulnerabilities in the module system.
Affected Installs
Joomla! CMS versions 3.0.0 through 3.8.3
Solution
Upgrade to version 3.8.4
Contact
The JSST at the Joomla! Security Centre.
[20171103] - Core - Information Disclosure
- Project: Joomla!
- SubProject: CMS
- Severity: Low
- Versions: 3.7.0 through 3.8.1
- Exploit type: Information Disclosure
- Reported Date: 2017-May-17
- Fixed Date: 2017-November-07
- CVE Number: CVE-2017-16633
Description
A logic bug in com_fields exposed read-only information about a site's custom fields to unauthorized users.
Affected Installs
Joomla! CMS versions 3.7.0 through 3.8.1
Solution
Upgrade to version 3.8.2
Contact
The JSST at the Joomla! Security Centre.
[20171102] - Core - 2-factor-authentication bypass
- Project: Joomla!
- SubProject: CMS
- Severity: Medium
- Versions: 3.2.0 through 3.8.1
- Exploit type:
- Reported Date: 2017-October-31
- Fixed Date: 2017-November-07
- CVE Number: CVE-2017-16634
Description
A bug allowed third parties to bypass a user's 2-factor-authentication method.
Affected Installs
Joomla! CMS versions 3.2.0 through 3.8.1
Solution
Upgrade to version 3.8.2
Contact
The JSST at the Joomla! Security Centre.
[20171101] - Core - LDAP Information Disclosure
- Project: Joomla!
- SubProject: CMS
- Severity: Medium
- Versions: 1.5.0 through 3.8.1
- Exploit type: Information Disclosure
- Reported Date: 2017-October-06
- Fixed Date: 2017-November-07
- CVE Number: CVE-2017-14596
Description
Inadequate escaping in the LDAP authentication plugin can result in disclosure of username and password.
Affected Installs
Joomla! CMS versions 1.5.0 through 3.8.1
Solution
Upgrade to version 3.8.2
Contact
The JSST at the Joomla! Security Centre.
[20170901] - Core - Information Disclosure
- Project: Joomla!
- SubProject: CMS
- Severity: Low
- Versions: 3.7.0 through 3.7.5
- Exploit type: Information Disclosure
- Reported Date: 2017-August-4
- Fixed Date: 2017-September-19
- CVE Number: CVE-2017-14595
Description
A logic bug in a SQL query could lead to the disclosure of article intro texts when these articles are in the archived state.
Affected Installs
Joomla! CMS versions 3.7.0 through 3.7.5
Solution
Upgrade to version 3.8.0
Contact
The JSST at the Joomla! Security Centre.
[20170902] - Core - LDAP Information Disclosure
- Project: Joomla!
- SubProject: CMS
- Severity: Medium
- Versions: 1.5.0 through 3.7.5
- Exploit type: Information Disclosure
- Reported Date: 2017-July-27
- Fixed Date: 2017-September-19
- CVE Number: CVE-2017-14596
Description
Inadequate escaping in the LDAP authentication plugin can result into a disclosure of username and password.
Affected Installs
Joomla! CMS versions 1.5.0 through 3.7.5
Solution
Upgrade to version 3.8.0
Contact
The JSST at the Joomla! Security Centre.
[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.