CVE-2025-55104: portal for arcgis XSS — Fix

Description

A stored cross-site scripting (XSS) vulnerability exists ArcGIS HUB and ArcGIS Enterprise Sites which allows an authenticated user with the ability to create or edit a site to add and store an XSS payload. If this stored XSS payload is triggered by any user attacker supplied JavaScript may execute in the victim's browser.

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CVSS v3.1 Score

4.8

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
esri	portal_for_arcgis	10.9.1 — 11.4

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2025-55104? +

A stored cross-site scripting (XSS) vulnerability exists ArcGIS HUB and ArcGIS Enterprise Sites which allows an authenticated user with the ability to create or edit a site to add and store an XSS payload. If this stored XSS payload is triggered by any user attacker supplied JavaScript may execute in the victim's browser. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2025-55104? +

CVE-2025-55104 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-55104? +

CVE-2025-55104 affects products from esri, specifically: portal_for_arcgis. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55104? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-55104