CVE-2026-55730

HIGH

Loytec LWEB802: Reflected Cross-Site Scripting in LWEB802

Title source: cna

Description

Reflected Cross-Site Scripting (CWE-79) in LWEB802 in Loytec LWEB-802 before 5.0.8 on all platforms allows an unauthenticated remote attacker to execute arbitrary JavaScript in a victim's browser and perform actions with the victim's privileges via a crafted link containing a malicious `project` or `mspParams` parameter.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.loytec.com/support/product-security/advisories/8527-dibt-cve-20260601-0002-reflected-cross-site-scripting-xss-high

Scores

CVSS v4 8.7

EPSS 0.0036

EPSS Percentile 28.5%

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-116 CWE-79

Status published

Products (1)

Loytec/LWEB-802 < 5.0.8

Published Jul 24, 2026

Tracked Since Jul 24, 2026