What is CVE-2026-23614?

CVE-2026-23614 is a medium-severity vulnerability in Gfi Mailessentials, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-02-19.

How severe is CVE-2026-23614?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Gfi Mailessentials

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$…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (7.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gfi Mailessentials
Gfi Software Mailessentials Ai — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (release-notes, Release Notes, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-23614?: CVE-2026-23614 is a medium-severity vulnerability in Gfi Mailessentials, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-02-19.
How severe is CVE-2026-23614?: Medium severity. CVSS v3 base score is 5.4 out of 10.