CVE-2023-39575

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-09-20 · updated 2026-06-17
Weakness: CWE-79

Description

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

How to fix

Upgrade to a fixed version: Isl Arp-Guard 4.0.4-1. Check the vendor advisory for mitigations.

References

https://evait.medium.com/discovery-of-a-reflective-xss-vulnerability-in-arp-guard-software-1734b5113e1c
https://evait.medium.com/discovery-of-a-reflective-xss-vulnerability-in-arp-guard-software-1734b5113e1c

Get alerted when CVE-2023-39575 or the next vulnerability affects your stack