themefic Hydra Booking Plugin up to 1.2.2 on WordPress Signup Shortcode first_name cross site scripting

Summaryinfo

A vulnerability was found in themefic Hydra Booking Plugin up to 1.2.2. It has been classified as problematic. This impacts an unknown function of the component Signup Shortcode. This manipulation of the argument first_name causes cross site scripting. This vulnerability is tracked as CVE-2026-15948. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in themefic Hydra Booking Plugin up to 1.2.2. It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Signup Shortcode. The manipulation of the argument first_name with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

The Hydra Booking — Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'first_name' parameter in all versions up to, and including, 1.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with host-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The tfhb_host role required to exploit this vulnerability can be self-assigned by any visitor via the plugin's public Signup shortcode, making this effectively exploitable by unauthenticated users who complete the registration flow.

The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-15948 since 07/16/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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

Vendor

• themefic

Name

• Hydra Booking Plugin

Version

• 1.2.0
• 1.2.1
• 1.2.2

CPE 2.3info

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CPE 2.2info

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Entryinfo

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