CVE-2026-23613: GFI MailEssentials AI < 22.4 Anti-Spam URI DNS Blocklist Domain Stored XSS
GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the URI DNS Blocklist configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$TXBURIs parameter to /MailEssentials/pages/MailSecurity/uridnsblocklist.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-23613?
CVE-2026-23613 has a medium severity due to its potential for stored cross-site scripting attacks.
How do I fix CVE-2026-23613?
To fix CVE-2026-23613, upgrade to GFI MailEssentials AI version 22.4 or later.
Who is affected by CVE-2026-23613?
CVE-2026-23613 affects GFI MailEssentials AI versions prior to 22.4.
What type of vulnerability is CVE-2026-23613?
CVE-2026-23613 is a stored cross-site scripting vulnerability.
What can an attacker do with CVE-2026-23613?
An attacker can exploit CVE-2026-23613 to execute arbitrary HTML or JavaScript in the context of authenticated users.