CVE-2026-3454 — The GenerateBlocks plugin for WordPress is vulnerable to

title: CVE-2026-3454 - GenerateBlocks Dynamic Tag ID Disclosure
id: scw-2026-05-05-ai-1
status: experimental
level: critical
description: |
  Detects attempts to exploit CVE-2026-3454 by accessing the /wp-json/generateblocks/v1/dynamic-tag-replacements endpoint with specific parameters designed to extract sensitive post meta data, such as author emails, from arbitrary posts. This rule specifically looks for the 'id=' and 'key=' parameters, along with the 'link=author_email' payload, which are indicative of this vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-05
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-3454/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/wp-json/generateblocks/v1/dynamic-tag-replacements'
      cs-uri-query|contains:
          - 'id='
      cs-uri-query|contains:
          - 'key='
      cs-uri-query|contains:
          - 'link=author_email'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse