e107 2.1.8 has XSS via the e107_admin/users.php?mode=main&action=list user_loginname parameter.
https://github.com/dhananjay-bajaj/E107-v2.1.8-XSS-POC
Source: Mitre, NVD
Published: 2018-09-05
Updated: 2018-10-29
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N