CVE-2026-28272 HIGH

CVE-2026-28272: Kiteworks Email Protection Gateway has a Cross-site Scripting vulnerability

Vendor Kiteworks
Product security-advisories
Weakness CWE-79 · XSS
Published February 27, 2026
Last update March 3, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks Email Protection Gateway allows authenticated administrators to inject malicious scripts through a configuration interface. The stored script executes when users interact with the affected user interface. Version 9.2.0 contains a patch for the issue.

Key dates

02Disclosure timeline

February 27, 2026 CVE published
March 3, 2026 Record updated