XSS in Loytec Lweb-802
CVE-2026-55730
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (28.8th percentile) — read the EPSS interpretation.
Affected products
- Loytec Lweb-802 — versions 0
Weakness classification (CWE)
References
- vulnerability@ncsc.ch (vendor-advisory)