VULNERABILITY INTELLIGENCE

CVE-2026-23604

CVSS score5.4 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2026-02-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

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$TXB_RuleName parameter to /MailEssentials/pages/MailSecurity/contentchecking.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user.

Weakness classification

  • disclosure@vulncheck.com: CWE-79

Primary references