Description
Joomla! Core is prone to a prototype pollution vulnerability. Exploiting this issue may allow attackers to add or modify existing properties of an "Object", when controlling part of it's structure. Joomla! Core versions 3.x.x ranging from 3.0.0 and up to and including 3.9.4 are vulnerable.
Remediation
Update to Joomla! Core version 3.9.5 or latest
References
Related Vulnerabilities
Moodle Other Vulnerability (CVE-2006-4942)
PHP Improper Input Validation Vulnerability (CVE-2013-4636)
Craft CMS Files or Directories Accessible to External Parties Vulnerability (CVE-2024-52292)
Nginx Out-of-bounds Write Vulnerability (CVE-2014-0133)
Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2015-2266)