CVE-2024-51942: 
ArcGIS Server vulnerability analysis and mitigation

A stored Cross-site Scripting (XSS) vulnerability has been identified in ArcGIS Server versions 10.9.1 through 11.3, tracked as CVE-2024-51942. The vulnerability was disclosed on March 3, 2025, and allows a remote, authenticated attacker with publisher capabilities to create a stored crafted link which, when clicked, could potentially execute arbitrary JavaScript code in the victim's browser (NVD).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) and has received a CVSS 3.1 Base Score of 4.8 (MEDIUM) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. The CVSS 4.0 Base Score is 2.0, indicating a relatively lower severity under the newer scoring system (NVD, Vendor Advisory).

The vulnerability has a low impact on both confidentiality and integrity while having no impact on availability. The attack requires high privileges (publisher capabilities) and user interaction to be successful (NVD).

Esri has released the ArcGIS Server Security 2025 Update 1 Patch on February 18th, 2025, which addresses this vulnerability along with several others. System administrators are advised to apply the security patch immediately to each ArcGIS Server machine (Windows or Linux) that participates in an ArcGIS Enterprise Site or Standalone deployment (Vendor Advisory).