Medium severity · published Feb 27, 2026
CVE-2026-28272
Kiteworks Email Protection Gateway has a Cross-site Scripting vulnerability
4.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · kiteworks
< 9.2.0 · source: vendor
KI
Kiteworks · Accellion
before 9.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28272
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28272
Vendor Advisory
https://github.com/kiteworks/security-advisories/security/advisories/GHSA-7hxj-ch78-xqgr
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