Improper Neutralization of Special Elements in Output Used by a Downstream Component in Moodle - CVE-2016-5013
Published: January 20, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39806
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-5013
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
In Moodle 2.x and 3.x, text injection can occur in email headers, potentially leading to outbound spam.
Affected software
Moodle
How to mitigate CVE-2016-5013
Install update from vendor's website.