Developer Network™ 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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- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Project: Joomla!
- SubProject: CMS
- Impact: Moderate
- Severity: Low
- Versions: 1.5.0 through 3.8.12
- Exploit type: ACL Violation
- Reported Date: 2017-December-27
- Fixed Date: 2018-October-02
- CVE Number: CVE-2018-17855
Description
In case that an attacker gets access to the mail account of an user who can approve admin verifications in the registration process he can activate himself.
Affected Installs
Joomla! CMS versions 1.5.0 through 3.8.12
Solution
Upgrade to version 3.8.13
Contact
The JSST at the Joomla! Security Centre.
- Project: Joomla!
- SubProject: CMS
- Impact: Moderate
- Severity: Low
- Versions: 3.1.0 through 3.8.12
- Exploit type: ACL Violation
- Reported Date: 2018-June-20
- Fixed Date: 2018-October-02
- CVE Number: CVE-2018-17857
Description
Inadequate checks on the tags search fields can lead to an access level violation.
Affected Installs
Joomla! CMS versions 3.1.0 through 3.8.12
Solution
Upgrade to version 3.8.13
Contact
The JSST at the Joomla! Security Centre.
- Project: Joomla!
- SubProject: CMS
- Impact: High
- Severity: Low
- Versions: 2.5.4 through 3.8.12
- Exploit type: Object Injection
- Reported Date: 2018-June-21
- Fixed Date: 2018-October-02
- CVE Number: CVE-2018-17856
Description
Joomla’s com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled access of Administrator-level users to access com_joomlaupdate and trigger a code execution.
Affected Installs
Joomla! CMS versions 2.5.4 through 3.8.12
Solution
Upgrade to version 3.8.13
Contact
The JSST at the Joomla! Security Centre.