CVE-2026-23612: GFI MailEssentials AI < 22.4 Anti-Spam IP DNS Blocklist Domain Stored XSS
GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the IP DNS Blocklist configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$TXBIPs parameter to /MailEssentials/pages/MailSecurity/ipdnsblocklist.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-2026-23612?
CVE-2026-23612 has a moderate severity level due to its potential for exploitation through stored cross-site scripting.
How do I fix CVE-2026-23612?
To mitigate CVE-2026-23612, upgrade to GFI MailEssentials AI version 22.4 or later.
Who is affected by CVE-2026-23612?
CVE-2026-23612 affects GFI MailEssentials AI versions prior to 22.4.
What type of vulnerability is CVE-2026-23612?
CVE-2026-23612 is a stored cross-site scripting (XSS) vulnerability.
What could happen if CVE-2026-23612 is exploited?
If exploited, CVE-2026-23612 could allow an authenticated user to execute malicious scripts in the context of the web application.