Stored XSS Vulnerability in Esri Portal for ArcGIS Affects Multiple Versions
CVE-2026-69233

5.5MEDIUM

Key Information:

Vendor

Esri

Status
Portal For Arcgis
Vendor
CVE Published:
21 August 2026

What is CVE-2026-69233?

A stored cross site scripting vulnerability exists in Esri Portal for ArcGIS versions 11.5 and earlier. This vulnerability could allow an attacker with administrative privileges to inject malicious scripts that may execute in the browsers of unsuspecting users. Organizations using affected versions, particularly ArcGIS Enterprise 11.1, 11.3, and 11.5, are strongly advised to implement the necessary patches and upgrade to the most recent long-term support release to mitigate this risk.

Affected Version(s)

Portal for ArcGIS Windows 11.1 <= 11.5

References

https://www.esri.com/arcgis-blog/products/arcgis-enterpri...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.