Cross-Site Scripting (XSS) in Esri Portal for ArcGIS (CVE-2025-57876)
Summary
Cross-site scripting in Esri Portal for ArcGIS (CVE-2025-57876). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2025-57876 has been found in Esri Portal for ArcGIS.
Risk of unauthorized operations or information disclosure. CVSS score: 4.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Esri Portal for ArcGIS CVE-2025-57876" on the vendor's site.
CVE-2025-57876 (Esri Portal for ArcGIS) — CWE-79 / CVSS v3 4.8
Attack vector: remote (network-reachable)
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Cross-site scripting (XSS) (CWE-79) exists in Esri Portal for ArcGIS.
Check the vendor advisory for the affected versions of Esri Portal for ArcGIS.
Severity: Medium (CVSS 4.8/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Esri Portal for ArcGIS を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- patch psirt@esri.com