PT-2025-34279 · Esri · Esri Portal For Arcgis Enterprise Sites

Lucas Machado · Published 2025-08-21 · Updated 2025-09-05 · CVE-2025-55103

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Esri Portal for ArcGIS Enterprise Sites versions 10.9.1 through 11.4

Description: A stored Cross-site Scripting issue exists in Esri Portal for ArcGIS Enterprise Sites that may allow a remote, authenticated attacker to inject a malicious file containing an XSS script. When loaded, this script could potentially execute arbitrary JavaScript code in the victim’s browser. The privileges required to execute this attack are high, and it could lead to the disclosure of a privileged token, potentially granting the attacker full control of the Portal.

Recommendations: Update Esri Portal for ArcGIS Enterprise Sites to a version prior to 10.9.1 or after 11.4.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-55103

Affected Products

Esri Portal For Arcgis Enterprise Sites

References · 6

• https://esri.com/arcgis-blog/products/trust-arcgis/administration/2925891-2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-55103 · Security Note
• https://osv.dev/vulnerability/CVE-2025-55103 · Vendor Advisory
• https://twitter.com/CVEnew/status/1958614331538685965 · Twitter Post
• https://twitter.com/SpaceCyberSec/status/1958741145741353323 · Twitter Post
• https://t.me/cveNotify/134411 · Telegram Post