PT-2026-20910

Name of the Vulnerable Software and Affected Versions GFI MailEssentials AI versions prior to 22.4 Description The software contains an arbitrary directory existence enumeration issue in the ListServer.IsPathExist web method, accessible via the API endpoint...

CVE-2026-23610: Improper Neutralization of Input During Web Page Generation

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...

PT-2026-20900

Name of the Vulnerable Software and Affected Versions GFI MailEssentials AI versions prior to 22.4 Description GFI MailEssentials AI versions before 22.4 have a flaw that allows authenticated users to check for the existence of arbitrary files on the server. This is possible through the...

PT-2026-20892

Name of the Vulnerable Software and Affected Versions GFI MailEssentials AI versions prior to 22.4 Description GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting issue in the IP DNS Blocklist configuration page. An authenticated user can inject HTML/JavaScript into...

CVE-2026-23606: Improper Neutralization of Input During Web Page Generation

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-2026-23620: Observable Discrepancy

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

CVE-2026-23616: Improper Neutralization of Input During Web Page Generation

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Anti-Spoofing configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$AntiSpoofingGeneral1$TxtSmtpDesc parameter to...

CVE-2026-23609: Improper Neutralization of Input During Web Page Generation

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...

GFI MailEssentials AI 安全漏洞

GFI MailEssentials AI is an open-source anti-spam and data breach protection software developed by GFI in the United States. Versions of GFI MailEssentials AI prior to version 22.4 contained a security vulnerability. This vulnerability stemmed from a storage cross-site scripting vulnerability in...

CVE-2026-23605: Improper Neutralization of Input During Web Page Generation

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...

GFI MailEssentials AI 安全漏洞

GFI MailEssentials AI is an open-source anti-spam and data breach protection software developed by GFI in the United States. Versions of GFI MailEssentials AI prior to version 22.4 contained a security vulnerability. This vulnerability stemmed from a storage cross-site scripting vulnerability in...

GFI MailEssentials AI 安全漏洞

GFI MailEssentials AI is an open-source anti-spam and data breach protection software developed by GFI in the United States. Versions of GFI MailEssentials AI prior to version 22.4 contained a security vulnerability. This vulnerability stemmed from a storage cross-site scripting vulnerability...

CVE-2026-23621: Observable Discrepancy

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: Improper Neutralization of Input During Web Page Generation

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-2026-23619: Improper Neutralization of Input During Web Page Generation

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Local Domains settings page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$Pv3$txtDescription parameter to /MailEssentials/pages/MailSecurity/general.aspx,...

CVE-2026-23612: Improper Neutralization of Input During Web Page Generation

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: Improper Neutralization of Input During Web Page Generation

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...

PT-2026-20893

Name of the Vulnerable Software and Affected Versions GFI MailEssentials AI versions prior to 22.4 Description GFI MailEssentials AI versions before 22.4 have a stored cross-site scripting issue in the URI DNS Blocklist configuration page. A logged-in user can inject HTML or JavaScript code into...

GFI MailEssentials AI 安全漏洞

GFI MailEssentials AI is an open-source anti-spam and data breach protection software developed by GFI in the United States. Versions of GFI MailEssentials AI prior to version 22.4 contained a security vulnerability. This vulnerability stemmed from the process of creating advanced content filteri...

PT-2026-20885

Name of the Vulnerable Software and Affected Versions GFI MailEssentials AI versions prior to 22.4 Description GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting issue in the Attachment Filtering rule creation workflow. An authenticated user can provide HTML or...