CVE-2025-34406: MailEnable versions prior to 10.54 contain a reflected cross-site scripting (XSS) vulnerability in the Id parameter of…
CVE-2025-34406 · Severity: medium · CVSS 6.1 · Published 2025-12-09
MailEnable versions prior to 10.54 contain a reflected cross-site scripting (XSS) vulnerability in the Id parameter of /Mobile/ContactDetails.aspx. The Id value is not properly sanitized when processed via a GET request and is reflected within a <script> block in the response. By supplying a crafted payload that terminates an existing JavaScript function, inserts attacker-controlled script, and comments out remaining code, a remote attacker can execute arbitrary JavaScript in a victim’s browser when the victim opens a malicious link. Successful exploitation can redirect victims to malicious sites, steal cookies not protected by HttpOnly, inject arbitrary HTML or CSS, and perform actions as the authenticated user.
No. Junglewise Threat Intelligence has no report of CVE-2025-34406 being exploited in the wild.
How severe is CVE-2025-34406?
Medium severity, with a CVSS score of 6.1, published 9 December 2025.
Which products and versions are affected?
Mailenable. The advisory does not name versions.
Is there a fix for CVE-2025-34406?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-34406?
Check whether you run Mailenable. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.