Description
user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the moodle/course:viewhiddenuserfields capability, which allows remote authenticated users to discover student e-mail addresses by leveraging the teacher role and reading a Participants list.
Remediation
References
Related Vulnerabilities
PHP Other Vulnerability (CVE-2003-0249)
Drupal Permissions, Privileges, and Access Controls Vulnerability (CVE-2008-4792)
Oracle JRE CVE-2013-5814 Vulnerability (CVE-2013-5814)
WordPress Plugin Easy PayPal Gift Certificate Multiple Vulnerabilities (1.2.3)
Drupal Core 4.7.x Form Action Attribute Injection (4.7.0 - 4.7.3)