CVE-2026-6864 — Cross-Site Scripting (XSS)

title: CVE-2026-6864 - CBX 5 Star Rating & Review Plugin Reflected XSS via 'page' parameter
id: scw-2026-05-22-ai-1
status: experimental
level: medium
description: |
  Detects attempts to exploit CVE-2026-6864 by looking for the specific 'page' parameter value associated with the CBX 5 Star Rating & Review plugin and a common XSS alert payload. This rule targets reflected XSS attacks where an attacker injects script into the 'page' parameter.
author: SCW Feed Engine (AI-generated)
date: 2026-05-22
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-6864/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri-query|contains:
          - 'page=CBXStarRating'
      cs-uri-query|contains:
          - '<script>alert('CVE-2026-6864')</script>'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse