Description In Moodle 2.x and 3.x, text injection can occur in email headers, potentially leading to outbound spam. Remediation References CVE-2016-5013 Related Vulnerabilities WordPress Plugin WPBook Cross-Site Request Forgery (2.7) WordPress Plugin Shortlinks by Pretty Links-Best WordPress Link Tracking Multiple Unspecified Vulnerabilities (1.6.3) WebLogic CVE-2021-35620 Vulnerability (CVE-2021-35620) WordPress Plugin A/B Test 'action' Parameter Directory Traversal (1.0.6) Oracle JRE CVE-2012-5068 Vulnerability (CVE-2012-5068) Severity Medium Classification CVE-2016-5013 CWE-138 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities