CVE-2026-4790 — Cross-Site Scripting (XSS)

title: CVE-2026-4790 - Stored XSS in Premium Addons for Elementor (custom_svg parameter)
id: scw-2026-05-02-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-4790 by identifying requests containing the 'custom_svg' parameter within the WordPress admin AJAX handler, which is vulnerable in Premium Addons for Elementor up to version 4.11.70. This indicates a potential Stored Cross-Site Scripting attack.
author: SCW Feed Engine (AI-generated)
date: 2026-05-02
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-4790/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri-query|contains:
          - 'custom_svg='
      cs-uri|contains:
          - '/wp-admin/admin-ajax.php'
      sc-status:
          - 200
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse