---
id: CVE-2026-69229
title: >-
  There is an HTML injection vulnerability in Esri Portal for ArcGIS versions
  12.0 and prior that allows a remote, authenticated attacker to insert
  arbitrary HTML into the Portal for ArcGIS Home application
summary: >-
  There is an HTML injection vulnerability in Esri Portal for ArcGIS versions
  12.0 and prior that allows a remote, authenticated attacker to insert
  arbitrary HTML into the Portal for ArcGIS Home application. Users working with
  ArcGIS Enter…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: esri
product: portal_for_arcgis
affected:
  - portal_for_arcgis < 11.1
  - portal_for_arcgis = 11.1
  - portal_for_arcgis = 11.2
  - portal_for_arcgis = 11.3
  - portal_for_arcgis = 11.4
  - portal_for_arcgis = 11.5
  - portal_for_arcgis = 12.0
patched:
  - portal_for_arcgis 11.1
published: '2026-08-21'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T17:50:09.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69229'
references:
  - url: >-
      https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin
    label: psirt@esri.com
tags:
  - nvd
epss: 0.00197
epssPercentile: 0.09747
ingestedAt: '2026-09-11T18:53:56.459Z'
---

## Overview

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5 and 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

## Affected

- `portal_for_arcgis < 11.1`
- `portal_for_arcgis = 11.1`
- `portal_for_arcgis = 11.2`
- `portal_for_arcgis = 11.3`
- `portal_for_arcgis = 11.4`
- `portal_for_arcgis = 11.5`
- `portal_for_arcgis = 12.0`

## Remediation

Upgrade past the affected range:

- `portal_for_arcgis 11.1`