XSS in Contec Co., Ltd. M2m Controller Configurable Type Cps-Mcs341*

CVE-2026-82773

Cross-site scripting vulnerability exists in CONPROSYS M2M Gateway Series and CONPROSYS M2M Controller Series. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-82773?
CVE-2026-82773 is a medium-severity vulnerability in Contec Co., Ltd. M2m Controller Configurable Type Cps-Mcs341*, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-09-14.
How severe is CVE-2026-82773?
Medium severity. CVSS v3 base score is 6.1 out of 10.