CVE-2026-5243 — Cross-Site Scripting (XSS)

title: CVE-2026-5243 - Stored XSS in The Plus Addons for Elementor Navigation Menu Lite Widget
id: scw-2026-05-14-ai-1
status: experimental
level: high
description: |
  This rule detects attempts to exploit CVE-2026-5243 by identifying requests targeting the Elementor AJAX endpoint with parameters indicative of the vulnerable Navigation Menu Lite widget and the 'menu_hover_click' parameter, which is susceptible to stored XSS due to insufficient sanitization. This allows authenticated attackers to inject arbitrary web scripts.
author: SCW Feed Engine (AI-generated)
date: 2026-05-14
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-5243/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/wp-admin/admin-ajax.php'
      cs-uri-query|contains:
          - 'action=tpe_nav_menu_lite'
      cs-uri-query|contains:
          - 'menu_hover_click='
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse