LOW
MantisBT before 1.3.1 and 2.x before 2.0.0-beta.2 uses a weak Content Security Policy when using the Gravatar plugin, which allows remote attackers to conduct cross-site scripting (XSS) attacks via unspecified vectors.
http://www.openwall.com/lists/oss-security/2016/08/28/1
http://www.openwall.com/lists/oss-security/2016/08/29/2
Source: MITRE
Published: 2017-02-17
Updated: 2017-02-22
Type: CWE-79
Base Score: 2.6
Vector: AV:N/AC:H/Au:N/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 4.9
Severity: LOW
Base Score: 4.7
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Impact Score: 2.7
Exploitability Score: 1.6
Severity: MEDIUM