CVE-2021-29109 - CVE House
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Status published Medium CVE-2021-29109

A reflected XSS vulnerability in Esri Portal for ArcGIS version 10.9.

Vulnerability Description

A reflected XSS vulnerability in Esri Portal for ArcGIS version 10.9 and below may allow a remote attacker able to convince a user to click on a crafted link which could potentially execute arbitrary JavaScript code in the user’s browser.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Portal for ArcGIS
Vulnerable Versions:
All

Timeline

Official Publish: October 1st, 2021
Last Modified: April 10th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)