Medium severity5.4NVD Advisory· Published Feb 19, 2026· Updated Jun 17, 2026
CVE-2026-23609
CVE-2026-23609
Description
GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Perimeter SMTP Servers configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv3$txtDescription parameter to /MailEssentials/pages/MailSecurity/PerimeterSMTPServers.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- GFI Software/MailEssentials AIv5Range: 0
cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*range: <22.4
- (no CPE)range: <22.4
Patches
Vulnerability mechanics
References
2News mentions
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