CVE-2025-55103 — MEDIUM (4.8)

Vulnerability Description

There is a stored Cross-site Scripting vulnerability in Esri Portal for ArcGIS Enterprise Sites versions 10.9.1 – 11.4 that may allow a remote, authenticated attacker to inject malicious a file with an embedded xss script which when loaded could potentially execute arbitrary JavaScript code in the victim’s browser. The privileges required to execute this attack are high. The attack could disclose a privileged token which may result in the attacker gaining full control of the Portal.

CVSS Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Esri	Portal For Arcgis	10.9.1

Related Weaknesses (CWE)

CWE-79

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/2925891-2PatchVendor Advisory

FAQ

What is CVE-2025-55103?

CVE-2025-55103 is a vulnerability with a CVSS score of 4.8 (MEDIUM). There is a stored Cross-site Scripting vulnerability in Esri Portal for ArcGIS Enterprise Sites versions 10.9.1 – 11.4 that may allow a remote, authenticated attacker to inject malicious a file with a...

How severe is CVE-2025-55103?

CVE-2025-55103 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-55103?

Check the references section above for vendor advisories and patch information. Affected products include: Esri Portal For Arcgis.