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CVE-2026-102147: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Kiteworks Core

0
Critical
VulnerabilityCVE-2026-102147cvecve-2026-102147cwe-79
Published: 09/30/2026 (09/30/2026, 20:09:08 UTC)
Source: CVE Database V5
Vendor/Project: Kiteworks
Product: Core

Description

CVE-2026-102147 is a critical stored cross-site scripting (XSS) vulnerability in Kiteworks Core. It allows an unauthenticated attacker to inject malicious JavaScript that executes in the context of an administrator's authenticated session. Successful exploitation could enable the attacker to gain full administrative control, including creating new admin accounts.

CVSS v3.1

Score 9.3critical

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

Affected software

Kiteworks

Core

Affected versions
>=0 <9.5.1
GitHub Actionsmore threats →ai
kiteworks/core
pkg:github/kiteworks/core
Affected versions
>=0 <9.5.1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/30/2026, 20:48:42 UTC

Technical Analysis

This vulnerability involves improper neutralization of input during web page generation (CWE-79) in Kiteworks Core. An attacker can store crafted content that executes arbitrary JavaScript when viewed by an administrator. The flaw is exploitable without authentication and can lead to complete administrative takeover of the affected system.

Potential Impact

Exploitation can result in full administrative control over the Kiteworks Core system, including the ability to create new administrative accounts. This compromises confidentiality and integrity of the system and its data. The CVSS v3.1 base score is 9.3 (critical), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and high impact on confidentiality and integrity.

Mitigation Recommendations

No patch or official fix information is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected system and monitor for suspicious activity involving administrative sessions.

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Technical Details

Data Version
5.2
Assigner Short Name
cisa-cg
Date Reserved
2026-09-28T17:39:13.564Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6abd72532a4e24523d8ec0de

Added to database: 09/30/2026, 20:34:27 UTC

Last enriched: 09/30/2026, 20:48:42 UTC

Last updated: 10/01/2026, 04:20:44 UTC

Views: 9

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