# CVE-2026-69231: Esri Portal for ArcGIS stored cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-69231-esri-portal-for-arcgis-stored-cross-site-scripting  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-21. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-69231 · Severity: medium · CVSS 5.5 · Published 2026-08-21

Esri Portal for ArcGIS is a web application used to manage geographic information systems and spatial data across enterprises. A stored cross-site scripting vulnerability allows authenticated attackers with elevated privileges to inject malicious JavaScript that executes in other users' browsers, potentially enabling credential theft, session hijacking, or unauthorized actions within the portal.

Technologies: [Esri Portal For Arcgis](https://junglewise.ai/threats/technologies/portal-for-arcgis). Vendors: [Esri](https://junglewise.ai/threats/vendors/esri).

## Quick answers

**Is CVE-2026-69231 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-69231 being exploited in the wild.

**How severe is CVE-2026-69231?** Medium severity, with a CVSS score of 5.5, published 21 August 2026.

**Which products and versions are affected?** Esri Portal For Arcgis 11.5 and prior.

**Is there a fix for CVE-2026-69231?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-69231 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-69231?** Check whether you run Esri Portal For Arcgis at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This is a stored cross-site scripting (XSS) vulnerability in Esri Portal for ArcGIS affecting versions 11.5 and earlier. The vulnerability allows a remote, privileged attacker to inject malicious code into the application that persists and executes in victims' browsers when they access the affected component. Attack requires authentication and elevated privileges, limiting the threat actor pool. Successful exploitation can result in arbitrary JavaScript execution within the victim's browser context, enabling session hijacking, credential theft, or unauthorized administrative actions. Patches are available; users are advised to upgrade to the latest long-term support release.

## Affected products

- Esri Portal for ArcGIS 11.5 and prior

## Timeline

- 2026-08-21: disclosed

## References

- [https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin](https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin)

## Related threats

- [Esri Portal for ArcGIS reflected cross-site scripting](https://junglewise.ai/threats/cve-2026-50096-there-is-a-reflected-cross-site-scripting-vulnerability-in-esri)
- [Esri Portal for ArcGIS reflected cross-site scripting](https://junglewise.ai/threats/cve-2026-33520-there-is-a-reflected-cross-site-scripting-vulnerability-in-esri)
- [Esri Portal for ArcGIS authentication bypass in admin API](https://junglewise.ai/threats/cve-2026-69227-a-flaw-in-portal-for-arcgis-allows-unauthenticated-access-to)
- [Esri Portal for ArcGIS account creation bypass in sharing endpoint](https://junglewise.ai/threats/cve-2026-69226-a-flaw-in-portal-for-arcgis-allows-unauthenticated-users-to)
- [Esri Portal for ArcGIS LDAP injection in administrative functionality](https://junglewise.ai/threats/cve-2026-10759-a-flaw-in-portal-for-arcgis-could-allow-ldap-injection-through)