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CVE-2026-103423— Booking Package <= 1.7.29 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via 'mode=sendBooking' with nonexistent 'timeKey' and 'public=0'

Quick assessment

Affected
masaakitanaka Booking Package
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 的 Booking Package 插件在 1.7.29 及更早版本中存在授权绕过漏洞。该漏洞是由于插件未正确验证用户是否具备执行某项操作的权限所致。此漏洞允许未经身份验证的攻击者检索存储在 booking_package_booked_customers 表中的每位已预订客户 Personally Identifiable Information (PII)，包括姓名、电子邮件地址、电话号码、物理地址以及取消令牌。该端点名义上受 nonce 保护，但该 nonce 实际是嵌入在任何渲染了 [b

CVSS 7.5 · High EPSS 0.53% · P44

Affected Version Matrix 1

VendorProduct Version RangeStatus
masaakitanaka Booking Package ≤ 1.7.29 affected
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I. Basic Information for CVE-2026-103423

Vulnerability Information
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Vulnerability Title
Booking Package <= 1.7.29 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via 'mode=sendBooking' with nonexistent 'timeKey' and 'public=0'
Source: CVE Program / CVE List V5
Vulnerability Description
The Booking Package plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.7.29 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to retrieve personally identifiable information for every booked customer stored in the booking_package_booked_customers table, including names, email addresses, phone numbers, physical addresses, and cancellation tokens. The nonce nominally protecting the endpoint is a public CSRF token emitted in the localized booking_package JavaScript object on any page rendering the [booking_package] shortcode or widget, making it trivially harvestable by unauthenticated visitors and providing no effective authentication barrier.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
masaakitanaka Booking Package 0 ~ 1.7.29 -

II. Public POCs for CVE-2026-103423

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III. Intelligence Information for CVE-2026-103423

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Other References for CVE-2026-103423 (2)

Other References for CVE-2026-103423 (5)

IV. Related Vulnerabilities

Same product: Booking Package
Same vendor: masaakitanaka
Same weakness: CWE-862

V. Comments for CVE-2026-103423

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