---
id: CVE-2026-96739
title: A flaw has been found in SEMCMS up to 4.2
summary: >-
  A flaw has been found in SEMCMS up to 4.2. Affected by this issue is some
  unknown functionality of the file /Edit/php/upload_json.php of the component
  KindEditor Upload Interface. This manipulation of the argument imgFile causes
  cross si…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'
cwe:
  - CWE-79
  - CWE-94
product: SEMCMS
affected:
  - SEMCMS 4.0
  - SEMCMS 4.1
  - SEMCMS 4.2
published: '2026-09-24'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T21:08:55.030'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96739'
references:
  - url: 'https://github.com/CSDVi/cve/issues/7'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-96739'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/904124'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/409004'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/409004/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00263
epssPercentile: 0.16218
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-24T15:36:04.254916Z'
ingestedAt: '2026-09-23T23:34:46.858Z'
---

## Overview

A flaw has been found in SEMCMS up to 4.2. Affected by this issue is some unknown functionality of the file /Edit/php/upload_json.php of the component KindEditor Upload Interface. This manipulation of the argument imgFile causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.