Description
GFI MailEssentials AI versions prior toΒ 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$TXB_IPs 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.
Details
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| mailessentials | β | 22.4 |
References
Similar Threats
- Medium CVE-2026-23604
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