Read the docs
TI-2025-34795 Aliases CVE-2025-55107GHSA-g83m-h8hx-qvjr

BUG-000177335 ArcGIS Enterprise Sites has a stored Cross-site Scripting vulnerability.

Priority LOW 21CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00222 12th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EsriPortal for ArcGIS Enterprise Sites10.9.1 – 11.4—No fix listedCNA
  • Portal for ArcGIS Enterprise Sites VendorEsri Affected 10.9.1 – 11.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:*10.9.1 – 11.4VulnerableEsri
  • cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:* Versions 10.9.1 – 11.4 Vulnerable ·Esri

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-55107
  2. 2026-10-03 Alias added: GHSA-g83m-h8hx-qvjr

References

Advisory 1

  • TI-2024-16901 Portal for ArcGIS has a directory traversal vulnerability. CVSS 3.1CRITICAL 9.9
  • TI-2026-11074 Missing authentication in Esri Portal for ArcGIS CVSS 3.1CRITICAL 9.8
  • TI-2025-02208 BUG-000174336 CVSS 3.1CRITICAL 9.8
  • TI-2026-25915 Incorrect privilege assignment in Portal for ArcGIS CVSS 3.1CRITICAL 9.8
  • TI-2026-25914 Incorrect privilege assignment in Portal for ArcGIS CVSS 3.1CRITICAL 9.8
  • TI-2025-04452 Server Side Request Forgery (SSRF) vulnerability in Portal for ArcGIS CVSS 3.1CRITICAL 9.1
See all 87 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences