CVE-2023-39575: Isl Arp-Guard

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A reflected cross-site scripting (XSS) vulnerability in the url_str URL parameter of ISL ARP Guard v4.0.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

Affected products

• Isl Arp-Guard: before 4.0.4-1 (fixed in 4.0.4-1)

Published 2023-09-20. Last modified 2026-06-17.