CVE-2026-12496

UNKNOWN 0.0

Loytec LINX firmware: Unauthenticated stored XSS in OPC XML-DA server

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79 CWE-116
Vendor	loytec
Product	lip-me20xc
Published	Jul 24, 2026
Last Updated	Jul 24, 2026

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Affected Versions

Loytec / LIP-ME20xC

0 ≤ 8.4.16

Loytec / L-INX

0 ≤ 8.4.16

Loytec / L-GATE

0 ≤ 8.4.16

Loytec / L-ROC

0 ≤ 8.4.16

Loytec / L-IOB

0 ≤ 8.4.16

Loytec / L-DALI

0 ≤ 8.4.16

Loytec / L-VIS

0 ≤ 8.4.16

Loytec / L-PAD

0 ≤ 8.4.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

loytec.com: https://www.loytec.com/support/product-security/advisories/8522-dibt-cve-20260526-0004-unauthenticated-stored-xxs-in-opc-xml-da-server-statistics-high

Credits

Daniel Hulliger, armasuisse CYD Campus Damian Pfammatter, armasuisse CYD Campus