CVE-2026-23607: medium-severity vulnerability in GFI Software MailEssentials AI
GFI MailEssentials AI < 22.4 Anti-Spam Whitelist Description Stored XSS
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.1epss 0.2%
GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Anti-Spam Whitelist management interface. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$txtDescription parameter to /MailEssentials/pages/MailSecurity/Whitelist.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Affected products
GFI Software · MailEssentials AIRelated CVEs — GFI Software MailEssentials AI
In the same product, most dangerous first.
CVE-2026-23621MEDIUMGFI MailEssentials AI < 22.4 ListServer.IsPathExist() Absolute Directory Traversal to File EnumerationEPSS 0.3%CVE-2026-23620MEDIUMGFI MailEssentials AI < 22.4 ListServer.IsDBExist() Absolute Directory Traversal to File EnumerationEPSS 0.2%CVE-2026-23619MEDIUMGFI MailEssentials AI < 22.4 General Settings Local Domains Domain Description Stored XSSEPSS 0.2%CVE-2026-23618MEDIUMGFI MailEssentials AI < 22.4 Anti-Spam Spam Keyword Checking Subject Condition Stored XSSEPSS 0.2%CVE-2026-23617MEDIUMGFI MailEssentials AI < 22.4 Anti-Spam Spam Keyword Checking Body Condition Stored XSSEPSS 0.2%CVE-2026-23616MEDIUMGFI MailEssentials AI < 22.4 Anti-Spam Anti-Spoofing Description Stored XSSEPSS 0.2%