CVE-2026-32850 MailEnable < 10.55 Reflected XSS via ManageShares.aspx SelectedIndex Parameter
Remote attackers can execute arbitrary JavaScript in victims' browsers via a crafted URL in the MailEnable webmail interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-32850?
CVE-2026-32850 is a medium-severity cross-site scripting vulnerability in Mailenable Mailenable, published on 23 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-32850?
It affects 1 product.
Products include Mailenable Mailenable.
How do I fix CVE-2026-32850?
No fix has been published for CVE-2026-32850 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-32850 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-32850 exists.
Other vulnerabilities in Mailenable Mailenable
- CVE-2015-9280 XML external entity in n/a
- CVE-2025-44148 Cross-site scripting in n/a
- CVE-2019-12924 XML external entity in n/a
- CVE-2015-9278 MailEnable before 8.60 allows Privilege Escalation because admin accounts could be created as a consequence of %0A mishandling in AUTH.TAB a
- CVE-2015-9277 Path traversal in n/a
Sources
Also known as GHSA-rh96-w7cw-pph4.