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[20220309] - Core - XSS attack vector through SVG

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Probability: Low
  • Versions: 4.0.0 - 4.1.0
  • Exploit type: XSS
  • Reported Date: 2021-08-25
  • Fixed Date: 2022-03-29
  • CVE Number: CVE-2022-23801

Description

Possible XSS attack vector through SVG embedding in com_media.

Affected Installs

Joomla! CMS versions 4.0.0 - 4.1.0

Solution

Upgrade to version 4.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Julia Polner, Simon Stockhause

[20210801] - Core - Insufficient access control for com_media deletion endpoint

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: High
  • Versions: 4.0.0
  • Exploit type: Incorrect Access Control
  • Reported Date: 2021-08-20
  • Fixed Date: 2021-08-24
  • CVE Number: CVE-2021-26040

Description

The media manager does not correctly check the user's permissions before executing a file deletion command.

Affected Installs

Joomla! CMS versions 4.0.0

Solution

Upgrade to version 4.0.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Maverick

[20210705] - Core - XSS in com_media imagelist

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.0.0 - 3.9.27
  • Exploit type: XSS
  • Reported Date: 2021-06-22
  • Fixed Date: 2021-07-06
  • CVE Number: CVE-2021-26039

Description

Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.27

Solution

Upgrade to version 3.9.28

Contact

The JSST at the Joomla! Security Centre.

Reported By: Hagai Wechsler / WhiteSourceSoftware
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