CVE-2026-12496
High
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.
SeverityHigh
CVSS8.7
Exploit probability—
ProductL-INX
PublishedJul 24, 2026
First seenJul 24, 2026
Weakness typeCWE-79Cross-site scripting (XSS)CWE-116CWE-116
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Loytec L-INX | v ≤ 8.4.16 | — |
| Loytec LIP-ME20xC | v ≤ 8.4.16 | — |
| Loytec L-GATE | v ≤ 8.4.16 | — |
| Loytec L-ROC | v ≤ 8.4.16 | — |
| Loytec L-IOB | v ≤ 8.4.16 | — |
| Loytec L-DALI | v ≤ 8.4.16 | — |
| Loytec L-VIS | v ≤ 8.4.16 | — |
| Loytec L-PAD | v ≤ 8.4.16 | — |
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