Description
The Database activity module in Moodle 2.1.x before 2.1.9, 2.2.x before 2.2.6, and 2.3.x before 2.3.3 allows remote authenticated users to read activity entries of a different group's users via an advanced search.
Remediation
References
Related Vulnerabilities
Drupal Other Vulnerability (CVE-2007-4063)
Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2009-4298)
WordPress Plugin Postie Multiple Vulnerabilities (1.9.40)
WordPress Plugin Beer Recipes Cross-Site Scripting (1.0)
IBM RTC Cross-site Scripting (XSS) Vulnerability (CVE-2020-4697)