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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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[20220801] - Core - Multiple Full Path Disclosures because of missing '_JEXEC or die check'

  • 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

[20220301] - Core - Zip Slip within the Tar extractor

  • 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

[20220302] - Core - Path Disclosure within filesystem error messages

  • 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

[20220303] - Core - User row are not bound to a authentication mechanism

  • 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

[20220304] - Core - Missing input validation within com_fields class inputs

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Probability: Low
  • Versions: 3.7.0 - 3.10.6
  • Exploit type: XSS
  • Reported Date: 2021-05-06
  • Fixed Date: 2022-03-29
  • CVE Number: CVE-2022-23796

Description

Lack of input validation could allow an XSS attack using com_fields

Affected Installs

Joomla! CMS versions 3.7.0 - 3.10.6

Solution

Upgrade to version 3.10.7

Contact

The JSST at the Joomla! Security Centre.

Reported By: Hoàng Nguyễn

[20220305] - Core - Inadequate filtering on the selected Ids

  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Probability: Low
  • Versions: 3.0.0 - 3.10.6 & 4.0.0 - 4.1.0
  • Exploit type: SQL Injection
  • Reported Date: 2021-03-04
  • Fixed Date: 2022-03-29
  • CVE Number: CVE-2022-23797

Description

Inadequate filtering on the selected Ids on an request could resulted into an possible SQL injection.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.10.6 & 4.0.0 - 4.1.0

Solution

Upgrade to version 3.10.7 & 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Hoàng Nguyễn

[20220306] - Core - Inadequate validation of internal URLs

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Probability: Low
  • Versions: 2.5.0 - 3.10.6 & 4.0.0 - 4.1.0
  • Exploit type: Open redirect
  • Reported Date: 2021-03-23
  • Fixed Date: 2022-03-29
  • CVE Number: CVE-2022-23798

Description

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

Affected Installs

Joomla! CMS versions 2.5.0 - 3.10.6 & 4.0.0 - 4.1.0

Solution

Upgrade to version 3.10.7 & 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Loïc LE MÉTAYER

[20220307] - Core - Variable Tampering on JInput $_REQUEST data

  • Project: Joomla! / Joomla! Framework
  • SubProject: CMS / input
  • Impact: Moderate
  • Severity: Low
  • Probability: Low
  • Versions: 4.0.0 - 4.1.0
  • Exploit type: Variable Tampering
  • Reported Date: 2021-11-05
  • Fixed Date: 2022-03-29
  • CVE Number: CVE-2022-23799

Description

Under specific circumstances, JInput pollutes method-specific input bags with $_REQUEST data.

Affected Installs

Joomla! CMS versions 4.0.0 - 4.1.0

Solution

Upgrade to version 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Nicholas K. Dionysopoulos, Phil Taylor

[20220308] - Core - Inadequate content filtering within the filter code

  • Project: Joomla! / Joomla! Framework
  • SubProject: CMS / filter
  • Impact: Moderate
  • Severity: Low
  • Probability: Low
  • Versions: 4.0.0 - 4.1.0
  • Exploit type: XSS
  • Reported Date: 2022-01-19
  • Fixed Date: 2022-03-29
  • CVE Number: CVE-2022-23800

Description

Inadequate content filtering leads to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 4.0.0 - 4.1.0

Solution

Upgrade to version 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Sebastian Morris, pwnCTRL

[20220309] - Core - XSS attack vector through SVG

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Probability: Low
  • Versions: 4.0.0 - 4.1.0
  • Exploit type: XSS
  • Reported Date: 2021-08-25
  • Fixed Date: 2022-03-29
  • CVE Number: CVE-2022-23801

Description

Possible XSS attack vector through SVG embedding in com_media.

Affected Installs

Joomla! CMS versions 4.0.0 - 4.1.0

Solution

Upgrade to version 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Julia Polner, Simon Stockhause
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