---
title: "CVE-2026-102147: Kiteworks Core - Stored XSS"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-102147/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102147)

## 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](https://cwe.mitre.org/data/definitions/79.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102147](https://nvd.nist.gov/vuln/detail/CVE-2026-102147)
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf\_files/VA/white/2026/va-26-274-01.json](https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json)
- [https://github.com/kiteworks/security-advisories/security/advisories/GHSA-xgh2-fgj6-w93r](https://github.com/kiteworks/security-advisories/security/advisories/GHSA-xgh2-fgj6-w93r)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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