CVE-2026-23610
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 POP2Exchange configuration endpoint. An authenticated user can supply HTML/JavaScript in the POP3 server login field within the JSON \"popServers\" payload to /MailEssentials/pages/MailSecurity/POP2Exchange.aspx/Save, 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 cross-site scripting vulnerability in the POP2Exchange configuration endpoint that allows authenticated users to inject malicious scripts through the POP3 server login field. An attacker with valid credentials can execute arbitrary JavaScript in the context of administrators viewing the management interface, potentially compromising administrative sessions. …
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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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