TI-2026-25314 Aliases CVE-2026-32851 GHSA-5fjm-c352-35cv

MailEnable < 10.55 Reflected XSS via FreeBusy.aspx StartDate Parameter

MEDIUM 56CWE-79Published 2026-03-23 · Updated 2026-07-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: Active
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting
Confidentiality · integrity · availability: None · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00319 25th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Fixed MailEnable (MailEnable): 10.55.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
MailEnable	MailEnable	before 10.55.0	10.55.0	Patch available	CNA

MailEnable VendorMailEnable Affected before 10.55.0 Fixed in 10.55.0 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mailenable:mailenable:::::standard:::*	before 10.55	Vulnerable	MailEnable

cpe:2.3:a:mailenable:mailenable:*:*:*:*:standard:*:*:* Versions before 10.55 Vulnerable ·MailEnable

Remediation

Fix · CNA MailEnable (MailEnable) Fixed in 10.55.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2026-03-23
MailEnable — mailenable.com/rss/article.asp?Source=RSSADMIN&ID=MAILENABL…
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2026-25313 MailEnable < 10.55 Reflected XSS via ManageShares.aspx SelectedIndex ParameterPriority MEDIUM 62
- TI-2026-25315 MailEnable < 10.55 Reflected XSS via FreeBusy.aspx StartDate ParameterPriority MEDIUM 56
Show all 3 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-32851
2026-10-03 Alias added: GHSA-5fjm-c352-35cv

References

Exploit 1

https://karmainsecurity.com/KIS-2026-05

Patch 1

https://www.mailenable.com/rss/article.asp?Source=RSSADMIN&ID=MAILENABLEVERSION1055

Other 2

TI-2025-28598 Cross Site Scripting (XSS) vulnerability in MailEnable before v10 allows a remote… CVSS 3.1CRITICAL 9.8
TI-2026-25313 MailEnable < 10.55 Reflected XSS via ManageShares.aspx SelectedIndex Parameter CVSS 4.0MEDIUM 5.1
TI-2026-25315 MailEnable < 10.55 Reflected XSS via FreeBusy.aspx StartDate Parameter CVSS 4.0MEDIUM 5.1
TI-2015-07656 MailEnable before 8.60 allows Privilege Escalation because admin accounts could be… CVSS 3.0CRITICAL 9.8
TI-2015-07658 MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter. CVSS 3.1CRITICAL 10.0
TI-2019-09674 MailEnable Enterprise Premium 10.23 was vulnerable to XML External Entity Injection (XXE)… CVSS 3.0CRITICAL 9.8

See all 49 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences