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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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[20250901] - Core - Inadequate content filtering within the checkAttribute filter code

  • Project: Joomla! / Joomla! Framework
  • SubProject: CMS / filter
  • Impact: Moderate
  • Severity: Moderate
  • Probability: Moderate
  • Versions: 3.0.0-3.10.20-elts, 4.0.0-4.4.13, 5.0.0-5.3.3
  • Exploit type: XSS
  • Reported Date: 2025-08-03
  • Fixed Date: 2025-09-30
  • CVE Number: CVE-2025-54476

Description

Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 3.0.0-3.10.20-elts, 4.0.0-4.4.13, 5.0.0-5.3.3

Solution

Upgrade to version 4.4.14 or 5.3.4

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Flydragon, Poi, Cwy, Xtrimi

[20250902] - Core - User-Enumeration in passkey authentication method

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Probability: Low
  • Versions: 4.0.0-4.4.13, 5.0.0-5.3.3
  • Exploit type: User Enumeration
  • Reported Date: 2025-09-04
  • Fixed Date: 2025-09-30
  • CVE Number: CVE-2025-54477

Description

Improper handling of authentication requests lead to a user enumeration vector in the passkey authentication method.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.13, 5.0.0-5.3.3

Solution

Upgrade to version 4.4.14 or 5.3.4

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Marco Schubert

[20250401] - Framework - SQL injection vulnerability in quoteNameStr method of Database package

  • Project: Joomla!
  • SubProject: Framework
  • Impact: High
  • Severity: Low
  • Probability: Low
  • Versions: 1.0.0-2.1.1, 3.0.0-3.3.1
  • Exploit type: SQL Injection
  • Reported Date: 2025-03-17
  • Fixed Date: 2025-04-02
  • CVE Number: CVE-2025-25226

Description

Improper handling of identifiers lead to a SQL injection vulnerability in the quoteNameStr method of the database package.

Affected Installs

Database Package version: 1.0.0-2.1.1, 3.0.0-3.3.1

Please note: the affected method is a protected method. It has no usages in the original packages in neither the 2.x nor 3.x branch and therefore the vulnerability in question can not be exploited when using the original database class. However, classes extending the affected class might be affected, if the vulnerable method is used.

Solution

Upgrade to version 2.2.0 or 3.4.0

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Nicholas K. Dionysopoulos, akeeba.com

[20250402] - Core - MFA Authentication Bypass

  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Moderate
  • Probability: Moderate
  • Versions: 4.0.0 - 4.4.12, 5.0.0 - 5.2.5
  • Exploit type: Authentication Bypass
  • Reported Date: 2025-03-20
  • Fixed Date: 2025-04-08
  • CVE Number: CVE-2025-25227

Description

Insufficient state checks lead to a vector that allows to bypass 2FA checks.

Affected Installs

Joomla! CMS versions: 4.0.0 - 4.4.12, 5.0.0 - 5.2.5

Solution

Upgrade to version 4.4.13 or 5.2.6

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Undisclosed Reporter

[20250301] - Core - Malicious file uploads via Media Manager

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Critical
  • Severity: Low
  • Probability: Low
  • Versions: 4.0.0-4.4.11, 5.0.0-5.2.4
  • Exploit type: Malicious file upload
  • Reported Date: 2025-02-25
  • Fixed Date: 2025-03-10
  • CVE Number: CVE-2025-22213

Description

Inadequate checks in the Media Manager allowed users with "edit" privileges to create executable PHP files.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.11, 5.0.0-5.2.4

Solution

Upgrade to version 4.4.12 or 5.2.5

Contact

The JSST at the Joomla! Security Centre.

Reported By:  ErPaciocco

[20250103] - Core - Read ACL violation in multiple core views

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Moderate
  • Probability: Low
  • Versions: 3.9.0-3.10.19-elts, 4.0.0-4.4.9, 5.0.0-5.2.2
  • Exploit type: ACL Violation
  • Reported Date: 2024-08-26
  • Fixed Date: 2025-01-07
  • CVE Number: CVE-2024-40749

Description

Improper Access Controls allows access to protected views.

Affected Installs

Joomla! CMS versions 3.9.0-3.10.19-elts, 4.0.0-4.4.9, 5.0.0-5.2.2

Solution

Upgrade to version 3.10.20-elts, 4.4.10 or 5.2.3

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Dominik Ziegelmüller

[20250201] - Core - SQL injection vulnerability in Scheduled Tasks component

  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Probability: Low
  • Versions: 4.1.0-4.4.10, 5.0.0-5.2.3
  • Exploit type: SQL Injection
  • Reported Date: 2024-12-10
  • Fixed Date: 2025-02-18
  • CVE Number: CVE-2025-22207

Description

Improperly built order clauses lead to a SQL injection vulnerability in the backend task list of com_scheduler

Affected Installs

Joomla! CMS versions 4.1.0-4.4.10, 5.0.0-5.2.3

Solution

Upgrade to version 4.4.11 or 5.2.4

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Calum Hutton, snyk.io

[20250102] - Core - XSS vector in the id attribute of menu lists

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Moderate
  • Probability: Low
  • Versions: 3.0.0-3.10.19-elts, 4.0.0-4.4.9, 5.0.0-5.2.2
  • Exploit type: XSS
  • Reported Date: 2024-09-19
  • Fixed Date: 2025-01-07
  • CVE Number: CVE-2024-40748

Description

Lack of output escaping in the id attribute of menu lists.

Affected Installs

Joomla! CMS versions 3.0.0-3.10.19-elts, 4.0.0-4.4.9, 5.0.0-5.2.2

Solution

Upgrade to version 3.10.20-elts, 4.4.10 or 5.2.3

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Lokesh Dachepalli

[20250101] - Core - XSS vectors in module chromes

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Moderate
  • Probability: Low
  • Versions: 4.0.0-4.4.9, 5.0.0-5.2.2
  • Exploit type: XSS
  • Reported Date: 2024-08-29
  • Fixed Date: 2025-01-07
  • CVE Number: CVE-2024-40747

Description

Various module chromes didn't properly process inputs, leading to XSS vectors.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.9, 5.0.0-5.2.2

Solution

Upgrade to version 4.4.10 or 5.2.3

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Catalin Iovita

[20240805] - Core - XSS vectors in Outputfilter::strip* methods

  • 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

[20240804] - Core - Improper ACL for backend profile view

  • 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

[20240803] - Core - XSS in HTML Mail Templates

  • 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

[20240802] - Core - Cache Poisoning in Pagination

  • 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

[20240801] - Core - Inadequate validation of internal URLs

  • 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

[20240705] - Core - XSS in com_fields default field value

  • 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

[20240704] - Core - XSS in Wrapper extensions

  • 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

[20240703] - Core - XSS in StringHelper::truncate method

  • 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

[20240702] - Core - Self-XSS in fancyselect list field layout

  • 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

[20240701] - Core - XSS in accessible media selection field

  • 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

[20240205] - Core - Inadequate content filtering within the filter code

  • Project: Joomla! / Joomla! Framework
  • SubProject: CMS / filter
  • Impact: Moderate
  • Severity: Moderate
  • Probability: Moderate
  • Versions: 3.7.0-3.10.14-elts, 4.0.0-4.4.2, 5.0.0-5.0.2
  • Exploit type: XSS
  • Reported Date: 2023-11-22
  • Fixed Date: 2024-02-20
  • CVE Number: CVE-2024-21726

Description

Inadequate content filtering leads to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 3.7.0-3.10.14-elts, 4.0.0-4.4.2, 5.0.0-5.0.2

Solution

Upgrade to version 3.10.15-elts, 4.4.3 or 5.0.3

Contact

The JSST at the Joomla! Security Centre.

[20240204] - Core - XSS in mail address outputs

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: High
  • Probability: High
  • Versions: 4.0.0-4.4.2, 5.0.0-5.0.2
  • Exploit type: XSS
  • Reported Date: 2024-01-30
  • Fixed Date: 2024-02-20
  • CVE Number: CVE-2024-21725

Description

Inadequate escaping of mail addresses lead to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.2, 5.0.0-5.0.2

Solution

Upgrade to version 4.4.3 or 5.0.3

Contact

The JSST at the Joomla! Security Centre.

[20240203] - Core - XSS in media selection fields

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Moderate
  • Probability: Moderate
  • Versions: 1.6.0-3.10.14-elts, 4.0.0-4.4.2, 5.0.0-5.0.2
  • Exploit type: XSS
  • Reported Date: 2024-01-09
  • Fixed Date: 2024-02-20
  • CVE Number: CVE-2024-21724

Description

Inadequate input validation for media selection fields lead to XSS vulnerabilities in various extensions.

Affected Installs

Joomla! CMS versions 1.6.0 - 3.10.14-elts, 4.0.0-4.4.2, 5.0.0-5.0.2

Solution

Upgrade to version 3.10.15-elts, 4.4.3 or 5.0.3

Contact

The JSST at the Joomla! Security Centre.

[20240202] - Core - Open redirect in installation application

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Probability: Low
  • Versions: 1.5.0 - 3.10.14-elts, 4.0.0-4.4.2, 5.0.0-5.0.2
  • Exploit type: Open Redirect
  • Reported Date: 2023-11-08
  • Fixed Date: 2024-02-20
  • CVE Number: CVE-2024-21723

Description

Inadequate parsing of URLs could result into an open redirect.

Affected Installs

Joomla! CMS versions 1.5.0 - 3.10.14-elts, 4.0.0-4.4.2, 5.0.0-5.0.2

Solution

Upgrade to version 3.10.15-elts, 4.4.3 or 5.0.3

Contact

The JSST at the Joomla! Security Centre.

[20240201] - Core - Insufficient session expiration in MFA management views

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Probability: Low
  • Versions: 3.2.0-3.10.14-elts, 4.0.0-4.4.2, 5.0.0-5.0.2
  • Exploit type: Insufficient Session Expiration
  • Reported Date: 2023-11-29
  • Fixed Date: 2024-02-20
  • CVE Number: CVE-2024-21722

Description

The MFA management features did not properly terminate existing user sessions when a user's MFA methods have been modified.

Affected Installs

Joomla! CMS versions 3.2.0-3.10.14-elts, 4.0.0-4.4.2, 5.0.0-5.0.2

Solution

Upgrade to version 3.10.15-elts, 4.4.3 or 5.0.3

Contact

The JSST at the Joomla! Security Centre.

[20231101] - Core - Exposure of environment variables

  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: High
  • Probability: Low
  • Versions: 1.6.0-4.4.0, 5.0.0
  • Exploit type: Information Disclosure
  • Reported Date: 2023-07-14
  • Fixed Date: 2023-11-21
  • CVE Number: CVE-2023-40626

Description

The language file parsing process could be manipulated to expose environment variables. Environment variables might contain sensible information.

Affected Installs

Joomla! CMS versions 1.6.0-4.4.0, 5.0.0

Solution

Upgrade to version 3.10.14-elts, 4.4.1 or 5.0.1

Contact

The JSST at the Joomla! Security Centre.

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