CVE-2026-2868 — Cross-Site Scripting (XSS)

title: WordPress Gutenverse Plugin Stored XSS via separatorIconSVG — CVE-2026-2868
id: scw-2026-05-05-ai-1
status: experimental
level: medium
description: |
  This rule detects attempts to exploit CVE-2026-2868 in the Gutenverse plugin. It specifically looks for requests to 'admin-ajax.php' with the 'gutenverse_save_block_options' action and a 'separatorIconSVG' parameter containing a script tag, indicating a potential Stored XSS attack.
author: SCW Feed Engine (AI-generated)
date: 2026-05-05
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-2868/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/wp-admin/admin-ajax.php'
      cs-uri-query|contains:
          - 'action=gutenverse_save_block_options'
      cs-uri-query|contains:
          - 'separatorIconSVG='
      cs-uri-query|contains:
          - '<script>'
      condition: cs-uri AND cs-uri-query
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse