CVE-2026-69236: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Esri Portal for ArcGIS
CVE-2026-69236 is a stored cross-site scripting (XSS) vulnerability in Esri Portal for ArcGIS versions 12.1 and prior. 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 including 11.1, 11.3, 11.5, 12.0, and 12.1. Users are advised to upgrade to the latest long-term support release and apply available patches.
AI Analysis
Technical Summary
This vulnerability (CWE-79) in Esri Portal for ArcGIS involves improper neutralization of input during web page generation, leading to stored cross-site scripting. A remote attacker with privileges can inject malicious scripts that execute arbitrary JavaScript in victim browsers. The issue affects multiple versions up to 12.1. The CVSS 3.1 base score is 6.1, indicating medium severity with network attack vector, low attack complexity, no privileges required, user interaction needed, and impacts on confidentiality and integrity but not availability.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary JavaScript in the context of the victim's browser, potentially leading to information disclosure or manipulation of web content. The impact is limited to confidentiality and integrity with no direct availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
No official patch or remediation level is confirmed in the provided data. Users are encouraged to upgrade to the latest long-term support release and apply any patches provided by Esri. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-69236: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Esri Portal for ArcGIS
Description
CVE-2026-69236 is a stored cross-site scripting (XSS) vulnerability in Esri Portal for ArcGIS versions 12.1 and prior. 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 including 11.1, 11.3, 11.5, 12.0, and 12.1. Users are advised to upgrade to the latest long-term support release and apply available patches.
CVSS v3.1
Score 6.1medium
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 (CWE-79) in Esri Portal for ArcGIS involves improper neutralization of input during web page generation, leading to stored cross-site scripting. A remote attacker with privileges can inject malicious scripts that execute arbitrary JavaScript in victim browsers. The issue affects multiple versions up to 12.1. The CVSS 3.1 base score is 6.1, indicating medium severity with network attack vector, low attack complexity, no privileges required, user interaction needed, and impacts on confidentiality and integrity but not availability.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary JavaScript in the context of the victim's browser, potentially leading to information disclosure or manipulation of web content. The impact is limited to confidentiality and integrity with no direct availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
No official patch or remediation level is confirmed in the provided data. Users are encouraged to upgrade to the latest long-term support release and apply any patches provided by Esri. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Esri
- Date Reserved
- 2026-08-03T19:22:05.876Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a88be1eacd9273b49bcc753
Added to database: 08/21/2026, 21:07:42 UTC
Last enriched: 08/21/2026, 21:23:05 UTC
Last updated: 08/21/2026, 21:26:53 UTC
Views: 4
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