Security Centre

[20170704] – Core – Installer: Lack of Ownership Verification

  • Project: Joomla!
  • SubProject: CMS Installer
  • Severity: High
  • Versions: 1.0.0 through 3.7.3
  • Exploit type: Lack of Ownership Verification
  • Reported Date: 2017-Apr-06
  • Fixed Date: 2017-July-25
  • CVE Number: CVE-2017-11364

Description

The CMS installer application lacked a process to verify the users ownership of a webspace, potentially allowing users to gain control.

Please note: Already installed sites are not affected, as this issue is limited to the installer application!

Affected Installs

Joomla! CMS versions 1.0.0 through 3.7.3

Solution

Upgrade to version 3.7.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Hanno Böck

[20170704] – Core – Installer: Lack of Ownership Verification Read More »

[20170705] – Core – XSS Vulnerability

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 1.5.0 through 3.7.3
  • Exploit type: XSS
  • Reported Date: 2017-April-26
  • Fixed Date: 2017-July-25
  • CVE Number: CVE-2017-11612

Description

Inadequate filtering of potentially malicious HTML tags leads to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.7.3

Solution

Upgrade to version 3.7.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Beat B, JSST

[20170705] – Core – XSS Vulnerability Read More »

[20170703] – Core – XSS Vulnerability

  • Project: Joomla!
  • SubProject: CMS
  • Severity: Low
  • Versions: 1.5.0 through 3.6.5
  • Exploit type: XSS
  • Reported Date: 2017-June-22
  • Fixed Date: 2017-July-04
  • CVE Number: CVE-2017-7985

Description

Inadequate filtering of multibyte characters leads to XSS vulnerabilities in various components.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.6.5

Solution

Upgrade to version 3.7.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Fortinet’s FortiGuard Labs

[20170703] – Core – XSS Vulnerability Read More »

[20170701] – Core – Information Disclosure

  • Project: Joomla!
  • SubProject: CMS
  • Severity: High
  • Versions: 1.7.3 – 3.7.2
  • Exploit type: Information Disclosure
  • Reported Date: 2016-Feb-05
  • Fixed Date: 2017-July-04
  • CVE Number: CVE-2017-9933

Description

Improper cache invalidation leads to disclosure of form contents.

Affected Installs

Joomla! CMS versions 1.7.3-3.7.2

Solution

Upgrade to version 3.7.3

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jeff Channell

[20170701] – Core – Information Disclosure Read More »