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.

You can subscribe to notifications from this feed through a RSS reader or email notifications via FeedBurner.

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions:3.9.0 - 3.9.23
  • Exploit type: XSS
  • Reported Date: 2020-09-01
  • Fixed Date: 2021-01-12
  • CVE Number: CVE-2021-23124

Description

Lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.

Affected Installs

Joomla! CMS versions 3.9.0 - 3.9.23

Solution

Upgrade to version 3.9.24

Contact

The JSST at the Joomla! Security Centre.

Reported By: Šarūnas Paulauskas
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions:3.0.0 - 3.9.23
  • Exploit type: Incorrect Access Control
  • Reported Date: 2020-07-07
  • Fixed Date: 2021-01-12
  • CVE Number: CVE-2021-23123

Description

Lack of ACL checks in the orderPosition endpoint of com_modules leak names of unpublished and/or inaccessible modules.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.23

Solution

Upgrade to version 3.9.24

Contact

The JSST at the Joomla! Security Centre.

Reported By: Phil Taylor
  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Versions:1.7.0 - 3.9.22
  • Exploit type: ACL Violation
  • Reported Date: 2018-11-04
  • Fixed Date: 2020-11-24
  • CVE Number: CVE-2020-35616

Description

Lack of input validation while handling ACL rulesets can cause write ACL violations.

Affected Installs

Joomla! CMS versions 1.7.0 - 3.9.22

Solution

Upgrade to version 3.9.23

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Elisa Foltyn, Benjamin Trenkle
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.9.0-3.9.22
  • Exploit type: CSRF
  • Reported Date: 2020-10-08
  • Fixed Date: 2020-11-24
  • CVE Number: CVE-2020-35615

Description

A missing token check in the emailexport feature of com_privacy causes a CSRF vulnerability.

Affected Installs

Joomla! CMS versions 3.9.0 - 3.9.22

Solution

Upgrade to version 3.9.23

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Lee Thao from Viettel Cyber Security
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.9.0-3.9.22
  • Exploit type: User Enumeration
  • Reported Date: 2020-08-15
  • Fixed Date: 2020-11-24
  • CVE Number: CVE-2020-35614

Description

Improper handling of the username leads to a user enumeration attack vector in the backend login page.

Affected Installs

Joomla! CMS versions 3.9.0 - 3.9.22

Solution

Upgrade to version 3.9.23

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Phil Taylor
  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Versions: 3.0.0-3.9.22
  • Exploit type: SQL Injection
  • Reported Date: 2020-10-13
  • Fixed Date: 2020-11-24
  • CVE Number: CVE-2020-35613

Description

Improper filter blacklist configuration leads to a SQL injection vulnerability in the backend user list.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.22

Solution

Upgrade to version 3.9.23

Contact

The JSST at the Joomla! Security Centre.

Reported By:  ka1n4t
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 2.5.0-3.9.22
  • Exploit type: Path traversal
  • Reported Date: 2020-10-06
  • Fixed Date: 2020-11-24
  • CVE Number: CVE-2020-35612

Description

The folder parameter of mod_random_image lacked input validation, leading to a path traversal vulnerability.

Affected Installs

Joomla! CMS versions 2.5.0 - 3.9.22

Solution

Upgrade to version 3.9.23

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Lee Thao from Viettel Cyber Security, Phil Taylor
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 2.5.0-3.9.22
  • Exploit type: Information Disclosure
  • Reported Date: 2020-09-23
  • Fixed Date: 2020-11-24
  • CVE Number: CVE-2020-35611

Description

The globlal configuration page does not remove secrets from the HTML output, disclosing the current values.

Affected Installs

Joomla! CMS versions 2.5.0 - 3.9.22

Solution

Upgrade to version 3.9.23

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Corch
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 2.5.0-3.9.22
  • Exploit type: Information Disclosure
  • Reported Date: 2020-06-21
  • Fixed Date: 2020-11-24
  • CVE Number: CVE-2020-35610

Description

The autosuggestion feature of com_finder did not respect the access level of the corresponding terms.

Affected Installs

Joomla! CMS versions 2.5.0 - 3.9.22

Solution

Upgrade to version 3.9.23

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Phil Taylor
  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.0.0-3.9.20
  • Exploit type: Open Redirect
  • Reported Date: 2020-July-05
  • Fixed Date: 2020-August-25
  • CVE Number: CVE-2020-24598

Description

Lack of input validation in com_content leads to an open redirect.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.20

Solution

Upgrade to version 3.9.21

Contact

The JSST at the Joomla! Security Centre.

Reported By: Ahmad Kamaran Jamil