HTML injection vulnerability in Esri Portal for ArcGIS

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-69238
StatePUBLISHED
AssignerEsri
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-21 21:17:04 UTC
Updated2026-08-21 21:17:04 UTC
DescriptionThere is an HTML injection vulnerability in Esri Portal for ArcGIS versions 11.5 and prior that allows a remote, highly priviliged attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS Enterprise 11.1, 11.3, and 11.5 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

Risk And Classification

Primary CVSS: v3.1 3.5 LOW from [email protected]

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

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary3.5LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
3.1CNACVSS3.5LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Esri Portal For ArcGIS affected 11.1 11.5 custom Windows, Linux

References

ReferenceSourceLinkTags
www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-... [email protected] www.esri.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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