CVE-2023-25835: BUG-000153659 ArcGIS Enterprise Sites has a stored XSS vulnerability

Vulnerability summary

CVE-2023-25835 is a high (CVSS 8.4) Cross-site Scripting vulnerability in esri portal_for_arcgis. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58.2% of scored vulnerabilities.

Timeline

1. 20-07-2023
   PublishedVulnerability first disclosed.
2. 06-02-2026
   Last modifiedVulnerability information updated.

Description

There is a stored Cross‑Site Scripting (XSS) vulnerability in Esri Portal for ArcGIS Sites versions 11.1 and below that may allow a remote, authenticated attacker with high‑privileged access to create a crafted link that is persisted within the site configuration. When accessed by a victim, the stored payload may execute arbitrary JavaScript code in the victim’s browser. Successful exploitation could allow the attacker to access sensitive user data and session information, alter trusted site content and user actions, and disrupt normal site functionality, resulting in a high impact to confidentiality, integrity, and availability.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.