CVE-2025-34080: contec co.,ltd. conprosys hmi system (chs) Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 01-07-2025Last modified 21-11-2025
Vulnerability summary
CVE-2025-34080 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in contec co.,ltd. conprosys hmi system (chs). EPSS estimates a 1.26% chance of exploitation in the next 30 days, higher than 69% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
1.26%
0%100%
Low · +0.17 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-07-2025PublishedVulnerability first disclosed.
- 21-11-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.1Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NSourcesAll 2 agree
- NVDNIST5.1MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Medium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
EPSS trend
Probability
1.26%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
+0.17 pp
From 1.08% on 20-09-2026
20-09-202620-10-2026
EPSS score1.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Contec1 product
- conprosys_hmi_system< 3.7.7
Contec co.,ltd.1 product
- conprosys hmi system (chs)< 3.7.7
2 vendors · 2 products
References
2 links- jvn.jp/en/vu/JVNVU92266386/Third Party Advisory
- www.vulncheck.com/advisories/conprosys-hmi-system-reflected-xssThird Party Advisory