MailEnable Enterprise Premium 10.23 was vulnerable to stored and reflected cross-site scripting (XSS) attacks. Because the session cookie did not use the HttpOnly flag, it was possible to hijack the session cookie by exploiting this vulnerability.
https://www.nccgroup.trust/uk/our-research/technical-advisory-multiple-vulnerabilities-in-mailenable/
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-4504
http://www.mailenable.com/Premium-ReleaseNotes.txt
Source: Mitre, NVD
Published: 2019-07-08
Updated: 2026-06-17
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
EPSS: 0.00867