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  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 1.5.0 through 3.8.11
  • Exploit type: XSS
  • Reported Date: 2018-July-10
  • Fixed Date: 2018-August-28
  • CVE Number: CVE-2018-15880

Description

Inadequate output filtering on the user profile page could lead to a stored XSS attack.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.8.11

Solution

Upgrade to version 3.8.12

Contact

The JSST at the Joomla! Security Centre.

Reported By: Roland Dalmulder, Perfect Web Team

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  • Project: Joomla!
  • SubProject: CMS
  • Impact: High
  • Severity: Low
  • Versions: 1.5.0 through 3.8.11
  • Exploit type: Malicious file upload
  • Reported Date: 2018-August-23
  • Fixed Date: 2018-August-28
  • CVE Number: CVE-2018-15882

Description

Inadequate checks in the InputFilter class could allow specifically prepared PHAR files to pass the upload filter.

Affected Installs

Joomla! CMS versions 1.5.0 through 3.8.11

Solution

Upgrade to version 3.8.12

Contact

The JSST at the Joomla! Security Centre.

Reported By: Davide Tampellini

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  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 2.5.0 through 3.8.8
  • Exploit type: LFI
  • Reported Date: 2018-April-23
  • Fixed Date: 2018-June-26
  • CVE Number: CVE-2018-12712

Description

Our autoload code checks classnames to be valid, using the "class_exists" function in PHP. In PHP 5.3 this function validates invalid names as valid, which can result in a Local File Inclusion.

Affected Installs

Joomla! CMS versions 2.5.0 through 3.8.8

Solution

Upgrade to version 3.8.9

Contact

The JSST at the Joomla! Security Centre.

Reported By: Davide Tampellini

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  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 1.6.0 through 3.8.8
  • Exploit type: XSS
  • Reported Date: 2018-May-07
  • Fixed Date: 2018-June-26
  • CVE Number: CVE-2018-12711

Description

In some cases the link of the current language might contain unescaped HTML special characters. This may lead to reflective XSS via injection of arbitrary parameters and/or values on the current page url.

Affected Installs

Joomla! CMS versions 1.6.0 through 3.8.8

Solution

Upgrade to version 3.8.9

Contact

The JSST at the Joomla! Security Centre.

Reported By: Borja Lorenzo, Innotecsystem

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  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.7.0 through 3.8.7
  • Exploit type: Remote Code Execution
  • Reported Date: 2018-May-14
  • Fixed Date: 2018-May-22
  • CVE Number: CVE-2018-11321

Description

Inadequate filtering allows users authorised to create custom fields to manipulate the filtering options and inject an unvalidated option.

Affected Installs

Joomla! CMS versions 3.7.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Contact

The JSST at the Joomla! Security Centre....

Reported By: Benjamin Trenkle, JSST

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