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 Attendees 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
5.1 MEDIUM
NETWORK
LOW
NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
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-attendees-parameter