---
id: CVE-2026-78213
title: 'Heptabase developed by Hepta Platforms, Inc'
summary: >-
  Heptabase developed by Hepta Platforms, Inc. has a Stored Cross-Site Scripting
  vulnerability. Authenticated remote attackers can inject persistent malicious
  content into specific pages, causing arbitrary JavaScript code to execute when
  o…
severity: high
cvss: 8.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'
cwe:
  - CWE-79
published: '2026-08-24'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T16:10:00.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78213'
references:
  - url: 'https://www.twcert.org.tw/en/cp-139-11124-b8b51-2.html'
    label: twcert@cert.org.tw
  - url: 'https://www.twcert.org.tw/tw/cp-132-11125-9d359-1.html'
    label: twcert@cert.org.tw
tags:
  - nvd
epss: 0.00437
epssPercentile: 0.36142
ingestedAt: '2026-10-12T16:57:59.906Z'
---

## Overview

Heptabase developed by Hepta Platforms, Inc. has a Stored Cross-Site Scripting vulnerability. Authenticated remote attackers can inject persistent malicious content into specific pages, causing arbitrary JavaScript code to execute when other users click the crafted content.

## Remediation

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