CVE-2026-32851
MEDIUMMailEnable < 10.55 - Reflected Cross-Site Scripting via FreeBusy.aspx StartDate Parameter
Title source: llmDescription
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.
References (6)
Core 6
Core References
Third Party Advisory
https://www.vulncheck.com/advisories/mailenable-reflected-xss-via-freebusy-aspx-attendees-parameter
Various Sources release-notes
https://mailenable.com/Standard-ReleaseNotes.txt
Various Sources vendor-advisory
patch
https://www.mailenable.com/rss/article.asp?Source=RSSADMIN&ID=MAILENABLEVERSION1055
Various Sources technical-description
exploit
https://karmainsecurity.com/KIS-2026-05
Various Sources product
https://www.mailenable.com/
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/mailenable-reflected-xss-via-freebusy-aspx-startdate-parameter
Scores
CVSS v3
6.1
EPSS
0.0031
EPSS Percentile
22.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
mailenable/mailenable
< 10.55
MailEnable/MailEnable
< 10.55.0
Published
Mar 23, 2026
Tracked Since
Mar 24, 2026