Kiteworks Core Administrative Account Takeover through Stored Cross-site Scripting (XSS)

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-102147
StatePUBLISHED
Assignercisa-cg
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-30 21:17:03 UTC
Updated2026-09-30 21:17:03 UTC
DescriptionA stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an unauthenticated attacker to store crafted content that later executes arbitrary JavaScript in the authenticated session of an administrator who views the affected page. This could have permitted the attacker to gain full administrative control, including the creation of a new administrative account.

Risk And Classification

Primary CVSS: v3.1 9.3 CRITICAL from 9119a7d8-5eab-497f-8521-727c672e3725

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

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.19119a7d8-5eab-497f-8521-727c672e3725Secondary9.3CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
3.1CNADECLARED9.3CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Kiteworks Core affected 9.5.1 custom Not specified
CNA Kiteworks Core unaffected 9.5.1 Not specified

References

ReferenceSourceLinkTags
github.com/kiteworks/security-advisories/security/advisories/GHSA-xgh2-f... 9119a7d8-5eab-497f-8521-727c672e3725 github.com
raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json 9119a7d8-5eab-497f-8521-727c672e3725 raw.githubusercontent.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: wlayzz, https://yeswehack.com/hunters/wlayzz (en)

CNA: Icare, https://yeswehack.com/hunters/icare (en)

CNA: Supr4s, https://yeswehack.com/hunters/supr4s (en)

CNA: truff, https://yeswehack.com/hunters/truff (en)

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