CVE-2026-82767

Cross‑site Scripting in Contec SGA1000 Web Interface 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 SGA1000. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

Analysis

AI-generated

Technical impact

A cross‑site scripting flaw exists1000 web interface. The vulnerability permits an attacker to inject malicious JavaScript that runs in the browser of any authenticated user. Because the script executes with the privileges of the logged‑in session, an attacker could hijack the session, steal credentials, or perform other actions within that user’s scope.

Affected Systems

Contec Co., Ltd. SGA1000. No specific affected versions are listed.

Risk and Exploitability

The flaw has a CVSS score of 4.8, indicating moderate severity. The EPSS score is < 1%, indicating a very low probability of exploitation, and the vulnerability is not listed in CISA’s KEV catalog. The likely attack vector is inferred to be user‑controlled input fields or malicious links that an authenticated user interacts with, requiring the victim to be logged into the device’s web console at the time the script executes.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Download and install the latest firmware update for SGA1000 from Contec’s security download page.
  • Validate and properly encode all user‑supplied input on the SGA1000 web interface to prevent script injection.
  • Configure a strict Content Security Policy on the SGA1000 web console to block inline scripts and restrict script sources.

Generated by OpenCVE AI on September 15, 2026 at 15:10 UTC.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Contec
Contec sga1000
Vendors & Products Contec
Contec sga1000
Type Values Removed Values Added
Title Cross‑site Scripting in Contec SGA1000 Web Interface Allows Arbitrary Script Execution
Type Values Removed Values Added
Title Cross‑Site Scripting in Contec SGA1000 Allowing Malicious Script Execution
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 Cross‑Site Scripting in Contec SGA1000 Allowing Malicious Script Execution
Type Values Removed Values Added
Description Cross-site scripting vulnerability exists in SGA1000. 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': 5.2, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

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

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Sep 14, 2026, 11:19 AM
Reserved
Aug 31, 2026, 2:30 AM
Status
Deferred
Published
Sep 14, 2026, 7:17 AM
Modified
Sep 16, 2026, 7:27 PM