Medium (5.4) in isl arp-guard. 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.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)