CVE-2026-82790

Cross‑site scripting in Contec PC‑HELPER Wireless I/O Device allows arbitrary script execution

Published Sep 14, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
Cross-site scripting vulnerability exists in PC-HELPER Wireless I/O DIO-0404RY-LWF and PC-HELPER Wireless I/O DIO-0404RY-LWF-US. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Contec
Contec pc-helper Wireless I/o Dio-0404ry-lwf
Contec pc-helper Wireless I/o Dio-0404ry-lwf-us
Vendors & Products Contec
Contec pc-helper Wireless I/o Dio-0404ry-lwf
Contec pc-helper Wireless I/o Dio-0404ry-lwf-us
Type Values Removed Values Added
Title Cross‑site scripting in Contec PC‑HELPER Wireless I/O Device allows arbitrary script execution
Type Values Removed Values Added
Title Unrestricted Script Execution via XSS on Contec PC-HELPER Wireless I/O Device
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Unrestricted Script Execution via XSS on Contec PC-HELPER Wireless I/O Device
Type Values Removed Values Added
Description Cross-site scripting vulnerability exists in PC-HELPER Wireless I/O DIO-0404RY-LWF and PC-HELPER Wireless I/O DIO-0404RY-LWF-US. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Sep 14, 2026, 12:21 PM
Reserved
Aug 31, 2026, 2:30 AM
Status
Deferred
Published
Sep 14, 2026, 7:17 AM
Modified
Sep 16, 2026, 7:27 PM