Vulnerability Details CVE-2015-5331
Moodle 2.9.x before 2.9.3 does not properly check the contact list before authorizing message transmission, which allows remote authenticated users to bypass intended access restrictions and conduct spam attacks via the messaging API.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.013
EPSS Ranking 66.2%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.0
References