---
id: CVE-2026-93464
title: >-
  A stored cross-site scripting vulnerability via custom content descriptions
  exists in baserCMS
summary: >-
  A stored cross-site scripting vulnerability via custom content descriptions
  exists in baserCMS. If this vulnerability is exploited, an arbitrary script
  may be executed in the user's web browser.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: baserCMS User Community
product: baserCMS
affected:
  - baserCMS < 5.4.1
  - baserCMS < 5.3.1
published: '2026-09-30'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T05:17:12.520'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93464'
references:
  - url: 'https://basercms.net/security/JVN_14353754'
    label: vultures@jpcert.or.jp
  - url: 'https://jvn.jp/en/jp/JVN14353754'
    label: vultures@jpcert.or.jp
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-30T17:00:25.556207Z'
ingestedAt: '2026-09-30T07:59:43.037Z'
epss: 0.00139
epssPercentile: 0.03238
---

## Overview

A stored cross-site scripting vulnerability via custom content descriptions exists in baserCMS. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.

## Remediation

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