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: Moderate
Probability: Low
Versions: 3.0.0-3.10.16-elts, 4.0.0-4.4.6, 5.0.0-5.1.2
Exploit type: XSS
Reported Date: 2024-07-22
Fixed Date: 2024-08-20
CVE Number: CVE-2024-40743

Description

The stripImages and stripIframes methods didn't properly process inputs, leading to XSS vectors.

Affected Installs

Joomla! CMS versions 3.0.0-3.10.16-elts, 4.0.0-4.4.6, 5.0.0-5.1.2

Solution

Upgrade to version 3.10.17-elts, 4.4.7 or 5.1.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jesper den Boer

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Moderate
Probability: Low
Versions: 4.0.0-4.4.6, 5.0.0-5.1.2
Exploit type: XSS
Reported Date: 2024-07-22
Fixed Date: 2024-08-20
CVE Number: CVE-2024-27187

Description

Improper Access Controls allows backend users to overwrite their username when disallowed.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.6, 5.0.0-5.1.2

Solution

Upgrade to version 4.4.7 or 5.1.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Elysee Franchuk

Project: Joomla!
SubProject: CMS
Impact: Moderate
Severity: Moderate
Probability: Moderate
Versions: 4.0.0-4.4.6, 5.0.0-5.1.2
Exploit type: XSS
Reported Date: 2024-07-22
Fixed Date: 2024-08-20
CVE Number: CVE-2024-27186

Description

The mail template feature lacks an escaping mechanism, causing XSS vectors in multiple extensions.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.6, 5.0.0-5.1.2

Solution

Upgrade to version 4.4.7 or 5.1.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Elysee Franchuk

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 3.0.0-3.10.16-elts, 4.0.0-4.4.6, 5.0.0-5.1.2
Exploit type: Cache Poisoning
Reported Date: 2024-05-23
Fixed Date: 2024-08-20
CVE Number: CVE-2024-27185

Description

The pagination class includes arbitrary parameters in links, leading to cache poisoning attack vectors.

Affected Installs

Joomla! CMS versions 3.0.0-3.10.16-elts, 4.0.0-4.4.6, 5.0.0-5.1.2

Solution

Upgrade to version 3.10.17-elts, 4.4.7 or 5.1.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Shane Edwards

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 3.4.6-3.10.16-elts, 4.0.0-4.4.6, 5.0.0-5.1.2
Exploit type: Open redirect
Reported Date: 2024-03-20
Fixed Date: 2024-08-20
CVE Number: CVE-2024-27184

Description

Inadequate validation of URLs could result into an invalid check whether an redirect URL is internal or not.

Affected Installs

Joomla! CMS versions 3.4.6-3.10.16-elts,4.0.0-4.4.6, 5.0.0-5.1.2

Solution

Upgrade to version 3.10.17-elts, 4.4.7 or 5.1.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Gareth Heyes (PortSwigger Research) & Teodor Ivanov

Project: Joomla!
SubProject: CMS
Impact: Moderate
Severity: Moderate
Probability: Low
Versions: 3.7.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1
Exploit type: XSS
Reported Date: 2024-06-09
Fixed Date: 2024-07-09
CVE Number: CVE-2024-26278

Description

The Custom Fields component not correctly filter inputs, leading to a XSS vector.

Affected Installs

Joomla! CMS versions 3.7.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1

Solution

Upgrade to version 3.10.16-elts, 4.4.6 or 5.1.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jesper den Boer

Project: Joomla!
SubProject: CMS
Impact: Moderate
Severity: Moderate
Probability: Low
Versions: 3.0.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1
Exploit type: XSS
Reported Date: 2024-06-08
Fixed Date: 2024-07-09
CVE Number: CVE-2024-26279

Description

The wrapper extensions do not correctly validate inputs, leading to XSS vectors.

Affected Installs

Joomla! CMS versions 3.0.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1

Solution

Upgrade to version 3.10.16-elts, 4.4.6 or 5.1.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jesper den Boer

Project: Joomla!
SubProject: CMS
Impact: Moderate
Severity: Moderate
Probability: Low
Versions: 3.0.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1
Exploit type: XSS
Reported Date: 2024-06-08
Fixed Date: 2024-07-09
CVE Number: CVE-2024-21731

Description

Improper handling of input could lead to an XSS vector in the StringHelper::truncate method.

Affected Installs

Joomla! CMS versions 3.0.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1

Solution

Upgrade to version 3.10.16-elts, 4.4.6 or 5.1.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jesper den Boer

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 4.0.0-4.4.5, 5.0.0-5.1.1
Exploit type: XSS
Reported Date: 2024-06-03
Fixed Date: 2024-07-09
CVE Number: CVE-2024-21730

Description

The fancyselect list field layout does not correctly escape inputs, leading to a self-XSS vector.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.5, 5.0.0-5.1.1

Solution

Upgrade to version 4.4.6 or 5.1.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jesper den Boer

Project: Joomla!
SubProject: CMS
Impact: Moderate
Severity: Moderate
Probability: Moderate
Versions: 4.0.0-4.4.5, 5.0.0-5.1.1
Exploit type: XSS
Reported Date: 2024-02-20
Fixed Date: 2024-07-09
CVE Number: CVE-2024-21729

Description

Inadequate input validation leads to XSS vulnerabilities in the accessiblemedia field.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.5, 5.0.0-5.1.1

Solution

Upgrade to version 4.4.6 or 5.1.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Marco Kadlubski

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