关键漏洞信息 漏洞标题: GFI MailEssentials AI < 22.4 Advanced Content Filtering Rule Stored XSS 严重程度: MEDIUM 日期: 2/19/2026 CVE编号: CVE-2026-23606 CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/LV:A:N/SC:L/SI:L/SA:N 描述 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$ContentPlaceHolder1$pespv1$txtRuleName parameter to /MailEssentials/pages/MailSecurity/advancedfiltering.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user. 参考资料 GFI MailEssentials Release Notes 作者 Alex Williams from Pellerla Technologies