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: Critical
Severity: High
Probability: High
Versions: 4.0.0-4.2.7
Exploit type: Incorrect Access Control
Reported Date: 2023-02-13
Fixed Date: 2023-02-16
CVE Number: CVE-2023-23752

Description

An improper access check allows unauthorized access to webservice endpoints.

Affected Installs

Joomla! CMS versions 4.0.0-4.2.7

Solution

Upgrade to version 4.2.8

Contact

The JSST at the Joomla! Security Centre.

Reported By: Zewei Zhang from NSFOCUS TIANJI Lab

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 4.0.0-4.2.4
Exploit type: Reflexted XSS
Reported Date: 2022-10-28
Fixed Date: 2022-11-08
CVE Number: CVE-2022-27914

Description

Inadequate filtering of potentially malicious user input leads to reflected XSS vulnerabilities in com_media..

Affected Installs

Joomla! CMS versions 4.0.0-4.2.4

Solution

Upgrade to version 4.2.5

Contact

The JSST at the Joomla! Security Centre.

Reported By: https://github.com/Denitz

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 4.0.0-4.2.6
Exploit type: CSRF
Reported Date: 2022-12-24
Fixed Date: 2023-01-31
CVE Number: CVE-2023-23750

Description

A missing token check causes a CSRF vulnerability in the handling of post-installation messages.

Affected Installs

Joomla! CMS versions 4.0.0-4.2.6

Solution

Upgrade to version 4.2.7

Contact

The JSST at the Joomla! Security Centre.

Reported By: Faizan Wani

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 4.0.0-4.2.6
Exploit type: Incorrect Access Control
Reported Date: 2023-01-01
Fixed Date: 2023-01-31
CVE Number: CVE-2023-23751

Description

A missing ACL check allows non super-admin users to access com_actionlogs.

Affected Installs

Joomla! CMS versions 4.0.0-4.2.6

Solution

Upgrade to version 4.2.7

Contact

The JSST at the Joomla! Security Centre.

Reported By: Faizan Wani

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 4.0.0-4.2.3
Exploit type: Reflexted XSS
Reported Date: 2022-10-07
Fixed Date: 2022-10-25
CVE Number: CVE-2022-27913

Description

Inadequate filtering of potentially malicious user input leads to reflected XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 4.0.0-4.2.3

Solution

Upgrade to version 4.2.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Ajith Menon

Project: Joomla!
SubProject: CMS
Impact: Critical
Severity: Low
Probability: Low
Versions: 4.0.0-4.2.3
Exploit type: Information Disclosure
Reported Date: 2022-10-13
Fixed Date: 2022-10-25
CVE Number: CVE-2022-27912

Description

Joomla 4 sites with publicly enabled debug mode exposed data of previous requests.

Affected Installs

Joomla! CMS versions 4.0.0-4.2.3

Solution

Upgrade to version 4.2.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Peter Martin

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 4.2.0
Exploit type: Path Disclosure
Reported Date: 2022-08-27
Fixed Date: 2022-08-30
CVE Number: CVE-2022-27911

Description

Multiple Full Path Disclosures because of missing '_JEXEC or die check' caused by the PSR12 changes done in 4.2.0. According to PROD2020/023 and in coordination with the JSST this has been patched in the public tracker vis #38615

Affected Installs

Joomla! CMS versions 4.2.0

Solution

Upgrade to version 4.2.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: SharkyKZ

Project: Joomla! / Joomla! Framework
SubProject: CMS / archive
Impact: Moderate
Severity: Low
Probability: Low
Versions: 3.0.0 - 3.10.6 & 4.0.0 - 4.1.0
Exploit type: Path Traversal
Reported Date: 2022-02-20
Fixed Date: 2022-03-29
CVE Number: CVE-2022-23793

Description

Extracting an specifilcy crafted tar package could write files outside of the intended path.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.10.6 & 4.0.0 - 4.1.0

Solution

Upgrade to version 3.10.7 or 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Egidio Romano

Project: Joomla! / Joomla! Framework
SubProject: CMS / filesystem
Impact: Low
Severity: Low
Probability: Low
Versions: 3.0.0 - 3.10.6 & 4.0.0 - 4.1.0
Exploit type: Path Disclosure
Reported Date: 2021-02-17
Fixed Date: 2022-03-29
CVE Number: CVE-2022-23794

Description

Uploading a file name of an excess length causes the error. This error brings up the screen with the path of the source code of the web application.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.10.6 & 4.0.0 - 4.1.0

Solution

Upgrade to version 3.10.7 or 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: DangKhai from Viettel Cyber Security

Project: Joomla!
SubProject: CMS
Impact: High
Severity: Low
Probability: Low
Versions: 2.5.0 - 3.10.6 & 4.0.0 - 4.1.0
Exploit type: Incorrect Access Control
Reported Date: 2020-09-23
Fixed Date: 2022-03-29
CVE Number: CVE-2022-23795

Description

A user row was not bound to a specific authentication mechanism which could under very special circumstances allow an account takeover.

Affected Installs

Joomla! CMS versions 2.5.0 - 3.10.6 & 4.0.0 - 4.1.0

Solution

Upgrade to version 3.10.7 or 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Phil Taylor

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