Description
Stored Cross-Site Scripting (CWE-79) in the OPC XML-DA server statistics in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows an unauthenticated remote attacker to execute arbitrary JavaScript in an administrator's browser (session hijacking, credential theft, device reconfiguration) via a crafted `User-Agent` header in a `POST /da` request.
Published: 2026-07-24
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Upgrade to firmware version 8.4.18.

Tracking

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Advisories

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History

Fri, 24 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Description Stored Cross-Site Scripting (CWE-79) in the OPC XML-DA server statistics in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows an unauthenticated remote attacker to execute arbitrary JavaScript in an administrator's browser (session hijacking, credential theft, device reconfiguration) via a crafted `User-Agent` header in a `POST /da` request.
Title Loytec LINX firmware: Unauthenticated stored XSS in OPC XML-DA server
Weaknesses CWE-116
CWE-79
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

ssvc

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

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published:

Updated: 2026-07-24T15:01:17.030Z

Reserved: 2026-06-17T08:57:07.049Z

Link: CVE-2026-12496

cve-icon Vulnrichment

Updated: 2026-07-24T15:01:09.205Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-116

    Improper Encoding or Escaping of Output

  • CWE-79

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