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

Details
  • 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

Details
  • 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

Details
  • 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

Details
  • 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

Details
  • 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

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