CVE-2025-44148

Cross Site Scripting (XSS) vulnerability in MailEnable before v10 allows a remote attacker to execute arbitrary code via the failure.aspx component

Critical · published June 3, 2025

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.0th percentile for exploit probability.

CVSS v3.1
9.8
EPSS
55%
Percentile
99.0
In the wild
Unconfirmed
What it is

🚨 An XSS vulnerability lurking in MailEnable before version 10 could let an attacker execute any code they desire through the failure.aspx component. 🔥 Think of it like a sneaky chef who finds a way to swap ingredients in the kitchen — they can make any dish they want without anyone noticing! If exploited, this vulnerability would allow an attacker to execute arbitrary code on your server, potentially leading to unauthorized access, data theft, or even complete server takeover. An open door like this could spell absolute disaster for your sensitive information and user trust. 😱

Put simply

Think of it like a sneaky chef who finds a way to swap ingredients in the kitchen — they can make any dish they want without anyone noticing! This vulnerability arises from improper input validation in the failure.aspx component, allowing attackers to inject malicious scripts that run in the context of the user’s session. This can lead to unauthorized actions being taken on behalf of legitimate users.

What to do

If exploited, this vulnerability would allow an attacker to execute arbitrary code on your server, potentially leading to unauthorized access, data theft, or even complete server takeover. An open door like this could spell absolute disaster for your sensitive information and user trust. 😱 Update MailEnable to at least version 10 immediately to patch this XSS vulnerability. Additionally, conduct a thorough review of all input fields to ensure robust validation is in place to block similar exploits in the future. You've got this! By taking swift action, you’ll not only secure your MailEnable instance but also strengthen your overall defenses. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.54711 · 99.0th percentile
Published
2025-06-03T00:00Z
EPSS history
Timeline
  • 03 JUN 00:00Z
    Cross Site Scripting (XSS) vulnerability in MailEnable before v10 allows a remote attacker to execute arbitrary code via the failure.aspx component
    cvelistv5