CVE-2026-55730

Loytec LWEB802: Reflected Cross-Site Scripting in LWEB802

State: Published
Severity: 8.7 High
Published: Jul 24, 2026
Updated: Jul 24, 2026
Reserved: Jun 17, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	NCSC.ch

Weaknesses

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')
CWE-116 Improper encoding or escaping of output

Affected Products

Product	Versions
LWEB-802Loytec	before 5.0.8Affected

References

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

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