CVE-2026-69238: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Esri Portal for ArcGIS
CVE-2026-69238 is a low-severity HTML injection vulnerability in Esri Portal for ArcGIS versions 11.5 and prior. It allows a remote, highly privileged attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users of versions 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, identified as CWE-79 (Improper Neutralization of Input During Web Page Generation or Cross-site Scripting), affects Esri Portal for ArcGIS. It permits a remote attacker with high privileges to inject arbitrary HTML content into the Portal for ArcGIS Home application, potentially impacting confidentiality and integrity. The CVSS v3.1 base score is 3.5, indicating low severity. The vulnerability is present in version 11.1 explicitly and implied in versions up to 11.5. No official patch or remediation level has been published yet.
Potential Impact
The vulnerability allows a remote attacker with high privileges to inject arbitrary HTML, which could lead to limited confidentiality and integrity impacts. There is no indication of availability impact. The low CVSS score reflects limited impact, and no known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users of ArcGIS Enterprise versions 11.1, 11.3, and 11.5 are encouraged to patch or upgrade to the latest long-term support release as advised by the vendor.
CVE-2026-69238: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Esri Portal for ArcGIS
Description
CVE-2026-69238 is a low-severity HTML injection vulnerability in Esri Portal for ArcGIS versions 11.5 and prior. It allows a remote, highly privileged attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users of versions 11.1, 11.3, and 11.5 are advised to patch or upgrade to the latest long-term support release.
CVSS v3.1
Score 3.5low
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-79 (Improper Neutralization of Input During Web Page Generation or Cross-site Scripting), affects Esri Portal for ArcGIS. It permits a remote attacker with high privileges to inject arbitrary HTML content into the Portal for ArcGIS Home application, potentially impacting confidentiality and integrity. The CVSS v3.1 base score is 3.5, indicating low severity. The vulnerability is present in version 11.1 explicitly and implied in versions up to 11.5. No official patch or remediation level has been published yet.
Potential Impact
The vulnerability allows a remote attacker with high privileges to inject arbitrary HTML, which could lead to limited confidentiality and integrity impacts. There is no indication of availability impact. The low CVSS score reflects limited impact, and no known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users of ArcGIS Enterprise versions 11.1, 11.3, and 11.5 are encouraged to patch or upgrade to the latest long-term support release as advised by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Esri
- Date Reserved
- 2026-08-03T19:22:05.877Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a88be1eacd9273b49bcc757
Added to database: 08/21/2026, 21:07:42 UTC
Last enriched: 08/21/2026, 21:22:52 UTC
Last updated: 08/22/2026, 00:21:10 UTC
Views: 7
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