CVE-2026-32851

EUVD-2026-14520
MailEnable versions prior to 10.55 contain a reflected cross-site scripting vulnerability in the webmail interface that allows remote attackers to execute arbitrary JavaScript in a victim's browser by crafting a malicious URL. Attackers can inject malicious code through the StartDate parameter in the FreeBusy.aspx form, which is not properly sanitized before being embedded into dynamically generated JavaScript.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
mailenablemailenable
𝑥
< 10.55
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://karmainsecurity.com/KIS-2026-05
https://mailenable.com/Standard-ReleaseNotes.txt
https://www.mailenable.com/
https://www.mailenable.com/rss/article.asp?Source=RSSADMIN&ID=MAILENABLEVERSION1055
https://www.vulncheck.com/advisories/mailenable-reflected-xss-via-freebusy-aspx-startdate-parameter