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CVE-2026-15948— Hydra Booking <= 1.2.2 - Authenticated (Host+) Stored Cross-Site Scripting via 'first_name' Parameter

Quick assessment

Affected
themefic Hydra Booking — Appointment Scheduling & Booking Calendar
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Hydra Booking是WordPress基金会的一款预约管理组件。 WordPress Hydra Booking 1.2.2及之前版本存在跨站脚本漏洞，该漏洞源于对'first_name'参数的输入清理和输出转义不足，可能允许攻击者注入任意Web脚本，导致存储型跨站脚本攻击。

CVSS 6.4 · Medium EPSS 0.36% · P27

Affected Version Matrix 1

VendorProduct Version RangeStatus
themefic Hydra Booking — Appointment Scheduling & Booking Calendar ≤ 1.2.2 affected
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I. Basic Information for CVE-2026-15948

Vulnerability Information
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Vulnerability Title
Hydra Booking <= 1.2.2 - Authenticated (Host+) Stored Cross-Site Scripting via 'first_name' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Hydra Booking 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Hydra Booking是WordPress基金会的一款预约管理组件。 WordPress Hydra Booking 1.2.2及之前版本存在跨站脚本漏洞，该漏洞源于对'first_name'参数的输入清理和输出转义不足，可能允许攻击者注入任意Web脚本，导致存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
themefic Hydra Booking — Appointment Scheduling & Booking Calendar 0 ~ 1.2.2 -

II. Public POCs for CVE-2026-15948

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III. Intelligence Information for CVE-2026-15948

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News Coverage for CVE-2026-15948 (1)

Other References for CVE-2026-15948 (1)

IV. Related Vulnerabilities

Same product: Hydra Booking — Appointment Scheduling & Booking Calendar
Same vendor: themefic
Same weakness: CWE-79

V. Comments for CVE-2026-15948

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