CVE-2026-41575 — An IP Reputation Checker Application Cross-Site Scripting (XSS)

title: CVE-2026-41575 - DOM-Based XSS in IP Reputation Checker
id: scw-2026-05-08-ai-1
status: experimental
level: medium
description: |
  Detects a DOM-based XSS attack targeting the IP Reputation Checker application (CVE-2026-41575). This rule looks for common XSS payload patterns within the 'ip=' query parameter, indicating an attempt to inject and execute JavaScript.
author: SCW Feed Engine (AI-generated)
date: 2026-05-08
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-41575/
tags:
  - attack.initial_access
  - attack.t1189
logsource:
    category: webserver
detection:
  selection:
      cs-uri-query|contains:
          - 'ip=' 
      cs-uri-query|contains:
          - '<script>alert(' 
      cs-uri-query|contains:
          - '</script>'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse