CVE-2026-102147 Kiteworks Core - Stored XSS

Kiteworks Core contains a stored XSS caused by improper sanitization of user input, letting unauthenticated attackers execute arbitrary JavaScript in an administrator's session, exploit requires administrator to view crafted content.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Client Script Exec, Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Published
30 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version with the XSS fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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