What is CVE-2023-25840?

CVE-2023-25840 is a low-severity vulnerability in Esri Arcgis Enterprise Server, classified under Cross-site Scripting. CVSS score: 3.4/10. Published 2023-07-21.

How severe is CVE-2023-25840?

Low severity. CVSS v3 base score is 3.4 out of 10.

XSS in Esri Arcgis Enterprise Server

CVE-2023-25840

There is a Cross-site Scripting vulnerability in ArcGIS Server in versions 11.1 and below that may allow a remote, authenticated attacker to create a crafted link which onmouseover wont execute but could potentially render an image in the victims browser. The privileges required to execute this attack are high.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-07-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Esri Arcgis Enterprise Server — versions All
Esri Arcgis Server
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.esri.com/arcgis-blog/products/trust-arcgis/announcements/arcgis-server-secu… (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-25840?: CVE-2023-25840 is a low-severity vulnerability in Esri Arcgis Enterprise Server, classified under Cross-site Scripting. CVSS score: 3.4/10. Published 2023-07-21.
How severe is CVE-2023-25840?: Low severity. CVSS v3 base score is 3.4 out of 10.