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CVE-2026-12496

HIGH
8.7
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-12496
State
PUBLISHED
Assigner
NCSC.ch
Reserved
2026-06-17 08:57 UTC
Published
2026-07-24 13:57 UTC
Last updated
2026-07-24 15:01 UTC
Primary CWE
CWE-79
CWE-79 Improper neutralization of input during web page gene…
Vendor / Product
Loytec / LIP-ME20xC
Sources
cve.org  ·  NVD

Severity & Metrics

8.7 HIGH CVSS 4.0
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 — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (8)
VendorProductPlatformVersions
Loytec L-DALI — 0 ≤ 8.4.16
Loytec L-GATE — 0 ≤ 8.4.16
Loytec L-INX — 0 ≤ 8.4.16
Loytec L-IOB — 0 ≤ 8.4.16
Loytec L-PAD — 0 ≤ 8.4.16
Loytec L-ROC — 0 ≤ 8.4.16
Loytec L-VIS — 0 ≤ 8.4.16
Loytec LIP-ME20xC — 0 ≤ 8.4.16
Weakness (CWE)
CWESourceDescription
CWE-116 cna CWE-116 Improper encoding or escaping of output
CWE-79 cna CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.7 HIGH 4.0 cna 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
References (1)
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