CVE-2026-23619
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
2Tags
Description
GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Local Domains settings page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$Pv3$txtDescription parameter to /MailEssentials/pages/MailSecurity/general.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user.
Analysis
GFI MailEssentials AI versions before 22.4 contain a stored XSS vulnerability in the Local Domains settings page that allows authenticated users to inject malicious scripts into the txtDescription parameter, which are then executed when administrators view the management interface. An attacker with valid credentials can exploit this to perform actions as a logged-in administrator or steal sensitive information from the management console. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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