CVE-2026-7525 — The My Calendar – Accessible Event Manager plugin for

title: CVE-2026-7525 - My Calendar Plugin Event Status Tampering
id: scw-2026-05-14-ai-1
status: experimental
level: high
description: |
  Detects attempts to bypass the My Calendar plugin's authorization workflow by directly publishing events via the admin-ajax.php endpoint. This rule specifically targets the 'my_calendar_save_event' action and the 'event_status=publish' parameter, indicating an attempt to publish an event without proper authorization, as described in CVE-2026-7525.
author: SCW Feed Engine (AI-generated)
date: 2026-05-14
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7525/
tags:
  - attack.privilege_escalation
  - attack.t1538
logsource:
    category: webserver
detection:
  selection:
      cs-method:
          - 'POST'
      uri|contains:
          - '/wp-admin/admin-ajax.php'
      cs-uri-query|contains:
          - 'action=my_calendar_save_event'
  selection_base:
      cs-uri-query|contains:
          - 'event_status=publish'
      condition: selection AND selection_base
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse