CVE-2026-69231: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Esri Portal for ArcGIS
CVE-2026-69231 is a stored cross-site scripting (XSS) vulnerability in Esri Portal for ArcGIS versions 11.5 and earlier. It allows a remote, privileged attacker to inject malicious JavaScript code that could execute in the browsers of users interacting with the affected portal. The vulnerability affects versions 11.1 through 11.5. The CVSS score is 5.5, indicating a medium severity level. Users of ArcGIS Enterprise 11.1, 11.3, and 11.5 are advised to patch or upgrade to the latest long-term support release.
AI Analysis
Technical Summary
This vulnerability is a stored cross-site scripting (CWE-79) issue in Esri Portal for ArcGIS, present in versions 11.5 and prior. It enables a remote attacker with privileged access to inject malicious scripts that execute arbitrary JavaScript in the context of other users' browsers. The flaw affects versions =11.1 and <=11.5. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, scope changed, and low impact on confidentiality and integrity, with no availability impact. No official remediation level or patch link is provided, but users are encouraged to upgrade to the latest long-term support release.
Potential Impact
An attacker with privileged remote access can exploit this vulnerability to inject malicious JavaScript code that executes in the browsers of other users, potentially leading to unauthorized actions or data exposure within the affected portal environment. The impact is limited to confidentiality and integrity with no availability impact. The medium CVSS score reflects this moderate risk.
Mitigation Recommendations
No official patch or remediation level is currently confirmed. Users of ArcGIS Enterprise versions 11.1, 11.3, and 11.5 are advised to upgrade to the latest long-term support release to mitigate this vulnerability. Monitor the vendor advisory for updates on official fixes or patches.
CVE-2026-69231: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Esri Portal for ArcGIS
Description
CVE-2026-69231 is a stored cross-site scripting (XSS) vulnerability in Esri Portal for ArcGIS versions 11.5 and earlier. It allows a remote, privileged attacker to inject malicious JavaScript code that could execute in the browsers of users interacting with the affected portal. The vulnerability affects versions 11.1 through 11.5. The CVSS score is 5.5, indicating a medium severity level. Users of ArcGIS Enterprise 11.1, 11.3, and 11.5 are advised to patch or upgrade to the latest long-term support release.
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) issue in Esri Portal for ArcGIS, present in versions 11.5 and prior. It enables a remote attacker with privileged access to inject malicious scripts that execute arbitrary JavaScript in the context of other users' browsers. The flaw affects versions =11.1 and <=11.5. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, scope changed, and low impact on confidentiality and integrity, with no availability impact. No official remediation level or patch link is provided, but users are encouraged to upgrade to the latest long-term support release.
Potential Impact
An attacker with privileged remote access can exploit this vulnerability to inject malicious JavaScript code that executes in the browsers of other users, potentially leading to unauthorized actions or data exposure within the affected portal environment. The impact is limited to confidentiality and integrity with no availability impact. The medium CVSS score reflects this moderate risk.
Mitigation Recommendations
No official patch or remediation level is currently confirmed. Users of ArcGIS Enterprise versions 11.1, 11.3, and 11.5 are advised to upgrade to the latest long-term support release to mitigate this vulnerability. Monitor the vendor advisory for updates on official fixes or patches.
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: 6a88be1eacd9273b49bcc74f
Added to database: 08/21/2026, 21:07:42 UTC
Last enriched: 08/21/2026, 21:23:18 UTC
Last updated: 08/21/2026, 21:26:54 UTC
Views: 3
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