What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-01 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Contec Co., Ltd. CONPROSYS HMI System (CHS): before 3.7.7 — fixed in 3.7.7

How to fix

Upgrade to a fixed version: Contec Co., Ltd. CONPROSYS HMI System (CHS) 3.7.7. Check the vendor advisory for mitigations.

References

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

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