Joomla Güvenlik Duyuruları

• [20260712] - Core - Incorrect Access Control in com_fields webservice endpoints

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Moderate
  • Probability: Low
  • Versions: 4.0.0-5.4.6, 6.0.0-6.1.1
  • Exploit type: Incorrect Access Control
  • Reported Date: 2026-05-05
  • Fixed Date: 2026-07-07
  • CVE Number: CVE-2026-48958

  Description

  An improper access check allows unauthorized users to create custom fields via webservices endpoints.

  Affected Installs

  Joomla! CMS versions 4.0.0-5.4.6, 6.0.0-6.0.0-6.1.1

  Solution

  Upgrade to version 5.4.7, 6.1.2

  Contact

  The JSST at the Joomla! Security Centre.

  Reported By:  Federico Brasili

• [20260711] - Core - Incorrect Access Control in com_privacy webservice endpoints

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Moderate
  • Probability: Low
  • Versions: 4.0.0-5.4.6, 6.0.0-6.1.1
  • Exploit type: Incorrect Access Control
  • Reported Date: 2026-06-12
  • Fixed Date: 2026-07-07
  • CVE Number: CVE-2026-48957

  Description

  An improper access check allows unauthorized users to access com_privacy datasets.

  Affected Installs

  Joomla! CMS versions 4.0.0-5.4.6, 6.0.0-6.0.0-6.1.1

  Solution

  Upgrade to version 5.4.7, 6.1.2

  Contact

  The JSST at the Joomla! Security Centre.

  Reported By:  Himanshu Anand

• [20260710] - Core - Incorrect Access Control in com_modules

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Moderate
  • Probability: Low
  • Versions: 4.0.0-5.4.6, 6.0.0-6.1.1
  • Exploit type: Incorrect Access Control
  • Reported Date: 2026-05-22
  • Fixed Date: 2026-07-07
  • CVE Number: CVE-2026-48956

  Description

  An improper access check allows users to display a list of modules in the frontend.

  Affected Installs

  Joomla! CMS versions 4.0.0-5.4.6, 6.0.0-6.0.0-6.1.1

  Solution

  Upgrade to version 5.4.7, 6.1.2

  Contact

  The JSST at the Joomla! Security Centre.

  Reported By:  Warisjeet Singh (sin99xx)

• [20260709] - Core - Incorrect Access Control in com_workflow

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Moderate
  • Probability: Low
  • Versions: 6.0.0-6.1.1
  • Exploit type: Incorrect Access Control
  • Reported Date: 2026-04-22
  • Fixed Date: 2026-07-07
  • CVE Number: CVE-2026-48955

  Description

  An improper access check allows unauthorized users to access workflow stage and transition information.

  Affected Installs

  Joomla! CMS versions 6.0.0-6.1.1

  Solution

  Upgrade to version 6.1.2

  Contact

  The JSST at the Joomla! Security Centre.

  Reported By:  廖双

• [20260708] - Core - XSS through language overrides

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Moderate
  • Probability: Low
  • Versions: 3.0.0-5.4.6,6.0.0-6.1.1
  • Exploit type: XSS
  • Reported Date: 2026-05-15
  • Fixed Date: 2026-07-07
  • CVE Number: CVE-2026-48954

  Description

  Improper validation leads to a generic XSS vector in the language override feature.

  Affected Installs

  Joomla! CMS versions 3.0.0-5.4.5,6.0.0-6.1.1

  Solution

  Upgrade to version 5.4.7, 6.1.2

  Contact

  The JSST at the Joomla! Security Centre.

  Reported By:  Morris Baumgarten-Egemole