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 TYPO3 Improper Input Validation Vulnerability (CVE-2011-4902) Zenphoto Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2015-2948) WordPress Plugin OnePress Social Locker Multiple Unspecified Vulnerabilities (4.2.5) Drupal Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2015-6660) Piwigo Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-7723) 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