CVE-2026-32850CWE-79

MailEnable < 10.55 Reflected XSS via ManageShares.aspx SelectedIndex Parameter

Medium · published March 23, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
40.1
In the wild
Unconfirmed
What it is

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 SelectedIndex parameter in the ManageShares.aspx form, which is not properly sanitized before being embedded into dynamically generated JavaScript.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
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
EPSS
0.00476 · 40.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-03-23T19:06Z
EPSS history
Timeline
  • 23 MAR 19:06Z
    MailEnable < 10.55 Reflected XSS via ManageShares.aspx SelectedIndex Parameter
    cvelistv5