CVE-2025-57876: portal for arcgis XSS — Fix

Description

There is a stored Cross-site Scripting vulnerability in Esri Portal for ArcGIS 11.4 and below 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.

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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	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All
esri	portal_for_arcgis	All

References

Advisories & Patches

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/portal-for-arcgis-security-2025-update-3-patch

Frequently Asked Questions

What is CVE-2025-57876? +

There is a stored Cross-site Scripting vulnerability in Esri Portal for ArcGIS 11.4 and below 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. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2025-57876? +

CVE-2025-57876 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-2025-57876? +

CVE-2025-57876 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-2025-57876? +

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-2025-57876