CVE-2019-12927

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-08 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

MailEnable: from 6.0 before 6.90; from 7.0 before 7.62; from 8.00 before 8.64; from 9.0 before 9.83; from 10.00 before 10.24 — fixed in 10.24, 6.90, 7.62, 8.64, 9.83

How to fix

Upgrade to a fixed version: MailEnable 10.24, 6.90, 7.62, 8.64. Check the vendor advisory for mitigations.

References

http://www.mailenable.com/Premium-ReleaseNotes.txt
https://www.nccgroup.trust/uk/our-research/technical-advisory-multiple-vulnerabilities-in-mailenable/
http://www.mailenable.com/Premium-ReleaseNotes.txt
https://www.nccgroup.trust/uk/our-research/technical-advisory-multiple-vulnerabilities-in-mailenable/

Get alerted when CVE-2019-12927 or the next vulnerability affects your stack