GFI MailEssentials AI Anti-Spoofing Configuration Page Cross-Site Scripting Vulnerability

GFI MailEssentials AI is a U.S. GFI open source anti-spam and data leakage protection software. A cross-site scripting vulnerability exists in the GFI MailEssentials AI Anti-Spoofing configuration page, which can be exploited by an attacker to execute scripts in the context of a logged-in user...

CVE-2026-23608

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Mail Monitoring rule creation endpoint. An authenticated user can supply HTML/JavaScript in the JSON "name" field to /MailEssentials/pages/MailSecurity/MailMonitoring.aspx/Save, which is stored...

CVE-2026-23613

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the URI DNS Blocklist configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$TXBURIs parameter to...

CVE-2026-23610

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...

CVE-2026-23614

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Sender Policy Framework IP Exceptions interface. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv2$txtIPDescription parameter to...

CVE-2026-23605

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Attachment Filtering rule creation workflow. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$TXBRuleName parameter to...

CVE-2026-23611

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the IP Blocklist management page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$txtIPDescription parameter to...

CVE-2026-23604

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Keyword Filtering rule creation workflow. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$TXBRuleName parameter to...

CVE-2026-23607

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...

CVE-2026-23621

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist. An authenticated user can supply an unrestricted filesystem path via...

CVE-2026-23618

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Spam Keyword Checking Subject conditions interface. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pvSubject$TXBSubjectCondition parameter to...

CVE-2026-23617

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Spam Keyword Checking Body conditions interface. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pvGeneral$TXBCondition parameter to...

CVE-2026-23613

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the URI DNS Blocklist configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$TXBURIs parameter to...

CVE-2026-23612

GFI MailEssentials AI versions prior to 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$TXBIPs parameter to...

CVE-2026-23611

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the IP Blocklist management page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$txtIPDescription parameter to...

CVE-2026-23612

GFI MailEssentials AI versions prior to 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$TXBIPs parameter to...

CVE-2026-23608

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Mail Monitoring rule creation endpoint. An authenticated user can supply HTML/JavaScript in the JSON "name" field to /MailEssentials/pages/MailSecurity/MailMonitoring.aspx/Save, which is stored...

CVE-2026-23610

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...

CVE-2026-23606

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Advanced Content Filtering rule creation workflow. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$txtRuleName parameter to...

CVE-2026-23604

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Keyword Filtering rule creation workflow. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$TXBRuleName parameter to...