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

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History

Fri, 20 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 20 Feb 2026 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Gfi mailessentials
CPEs cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*
Vendors & Products Gfi mailessentials

Fri, 20 Feb 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Gfi
Gfi mailessentials Ai
Vendors & Products Gfi
Gfi mailessentials Ai

Thu, 19 Feb 2026 20:00:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}


Thu, 19 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Description 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$TXB_SubjectCondition parameter to /MailEssentials/pages/MailSecurity/ASKeywordChecking.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user.
Title GFI MailEssentials AI < 22.4 Anti-Spam Spam Keyword Checking Subject Condition Stored XSS
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.1, 'vector': '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-20T20:15:55.796Z

Reserved: 2026-01-14T16:02:29.335Z

Link: CVE-2026-23618

cve-icon Vulnrichment

Updated: 2026-02-20T20:15:50.785Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-19T18:24:57.603

Modified: 2026-02-20T17:27:59.963

Link: CVE-2026-23618

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-20T10:06:02Z

Weaknesses