CVE-2026-6449 — The Booking for Appointments and Events Calendar – Amelia

CVE-2026-6449 — The Booking for Appointments and Events Calendar – Amelia

CVE-2026-6449 — The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Improper Authorization in all versions up to, and including, 2.1.2. This is due to a logical short-circuit flaw in authorization logic that causes token validation to be entirely skipped w

What This Means For You

  • If your environment is affected by CWE-285, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-6449 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1190 Initial Access

WordPress Amelia Booking Improper Authorization - Free Tier - CVE-2026-6449

Sigma YAML — free preview
title: WordPress Amelia Booking Improper Authorization - Free Tier - CVE-2026-6449
id: scw-2026-05-02-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-6449 by targeting the admin-ajax.php endpoint with parameters indicating an attempt to manipulate bookings with a 'waiting' status. This bypasses authorization checks due to a logical short-circuit flaw, allowing unauthenticated attackers to approve bookings.
author: SCW Feed Engine (AI-generated)
date: 2026-05-02
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-6449/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/wp-admin/admin-ajax.php'
      cs-uri-query|contains:
          - 'action=amelia_ajax'
      cs-uri-query|contains:
          - 'booking_status=waiting'
      cs-uri-query|contains:
          - 'booking_id='
      cs-method:
          - 'POST'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-6449 vulnerability CVE-2026-6449
CWE-285 weakness CWE-285
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 02, 2026 at 11:16 UTC

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