CVE-2026-69230: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Esri Portal for ArcGIS
CVE-2026-69230 is a stored cross-site scripting (XSS) vulnerability in Esri Portal for ArcGIS versions 11.5 and earlier. It allows a remote attacker with administrative privileges to inject malicious code that could execute in the browsers of other users. The vulnerability affects versions 11.1, 11.3, and 11.5 specifically. Users are advised to upgrade to the latest long-term support release to mitigate this issue.
AI Analysis
Technical Summary
This vulnerability is a stored cross-site scripting (CWE-79) flaw in Esri Portal for ArcGIS, affecting versions 11.5 and prior. An attacker with administrative privileges can inject malicious scripts that execute in the context of other users' browsers, potentially leading to information disclosure or session hijacking. The CVSS 3.1 base score is 5.5 (medium severity), reflecting network attack vector, low attack complexity, high privileges required, no user interaction, and partial confidentiality and integrity impact. No official patch or remediation level is currently specified, but users of versions 11.1, 11.3, and 11.5 are encouraged to patch and upgrade to the latest long-term support release.
Potential Impact
A remote attacker with administrative privileges can inject malicious scripts that execute in other users' browsers, potentially leading to partial confidentiality and integrity loss. There is no impact on availability. This could allow unauthorized actions or data exposure within the affected Portal for ArcGIS environment.
Mitigation Recommendations
No official patch or remediation level has been confirmed yet. Users working with ArcGIS Enterprise versions 11.1, 11.3, and 11.5 are encouraged to apply any available patches and upgrade to the latest long-term support release. Monitor the vendor advisory for updates on official fixes.
CVE-2026-69230: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Esri Portal for ArcGIS
Description
CVE-2026-69230 is a stored cross-site scripting (XSS) vulnerability in Esri Portal for ArcGIS versions 11.5 and earlier. It allows a remote attacker with administrative privileges to inject malicious code that could execute in the browsers of other users. The vulnerability affects versions 11.1, 11.3, and 11.5 specifically. Users are advised to upgrade to the latest long-term support release to mitigate this issue.
CVSS v3.1
Score 5.5medium
Affected software
pkg:github/esri/portal-for-arcgisRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a stored cross-site scripting (CWE-79) flaw in Esri Portal for ArcGIS, affecting versions 11.5 and prior. An attacker with administrative privileges can inject malicious scripts that execute in the context of other users' browsers, potentially leading to information disclosure or session hijacking. The CVSS 3.1 base score is 5.5 (medium severity), reflecting network attack vector, low attack complexity, high privileges required, no user interaction, and partial confidentiality and integrity impact. No official patch or remediation level is currently specified, but users of versions 11.1, 11.3, and 11.5 are encouraged to patch and upgrade to the latest long-term support release.
Potential Impact
A remote attacker with administrative privileges can inject malicious scripts that execute in other users' browsers, potentially leading to partial confidentiality and integrity loss. There is no impact on availability. This could allow unauthorized actions or data exposure within the affected Portal for ArcGIS environment.
Mitigation Recommendations
No official patch or remediation level has been confirmed yet. Users working with ArcGIS Enterprise versions 11.1, 11.3, and 11.5 are encouraged to apply any available patches and upgrade to the latest long-term support release. Monitor the vendor advisory for updates on official fixes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Esri
- Date Reserved
- 2026-08-03T19:22:01.732Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a88be1eacd9273b49bcc74d
Added to database: 08/21/2026, 21:07:42 UTC
Last enriched: 08/21/2026, 21:23:25 UTC
Last updated: 08/21/2026, 21:26:55 UTC
Views: 3
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