Hydra Booking Plugin up to 1.1.27 on WordPress AJAX Endpoint tfhb_meeting_form_submit_callback excessive authentication

Summaryinfo

A vulnerability categorized as problematic has been discovered in Hydra Booking Plugin up to 1.1.27 on WordPress. The impacted element is the function tfhb_meeting_form_submit_callback of the component AJAX Endpoint. Executing a manipulation can lead to excessive authentication. This vulnerability is tracked as CVE-2025-12787. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Hydra Booking Plugin up to 1.1.27 on WordPress. This vulnerability affects the function tfhb_meeting_form_submit_callback of the component AJAX Endpoint. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality. CVE summarizes:

The Hydra Booking — Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to unauthorized booking cancellation in all versions up to, and including, 1.1.27. This is due to the plugin's "tfhb_meeting_form_submit_callback" function using insufficiently random values to generate booking cancellation tokens, combined with a globally shared nonce. This makes it possible for unauthenticated attackers to cancel arbitrary bookings via brute force attacks against the tfhb_meeting_form_cencel AJAX endpoint.

The advisory is available at wordfence.com. This vulnerability was named CVE-2025-12787. The exploitation appears to be difficult. The attack can be initiated remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Name

• Hydra Booking Plugin

Version

• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.1.6
• 1.1.7
• 1.1.8
• 1.1.9
• 1.1.10
• 1.1.11
• 1.1.12
• 1.1.13
• 1.1.14
• 1.1.15
• 1.1.16
• 1.1.17
• 1.1.18
• 1.1.19
• 1.1.20
• 1.1.21
• 1.1.22
• 1.1.23
• 1.1.24
• 1.1.25
• 1.1.26
• 1.1.27

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CPE 2.2info

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