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CVE-2026-12378— BookingPress <= 1.1.28 - Unauthenticated PHP Object Injection

Quick assessment

Affected
Unknown Appointment Booking Calendar Plugin and Scheduling Plugin
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 BookingPress是WordPress基金会的一款提供预约管理功能的CMS组件。 WordPress BookingPress 1.1.28及之前版本存在安全漏洞，该漏洞源于未验证数据便传递给PHP反序列化函数，允许未经身份验证的攻击者注入任意PHP对象；若网站存在合适的小工具链，则可利用此漏洞实现远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.65% · P50

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Appointment Booking Calendar Plugin and Scheduling Plugin ≤ 1.1.28 affected
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I. Basic Information for CVE-2026-12378

Vulnerability Information
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Vulnerability Title
BookingPress <= 1.1.28 - Unauthenticated PHP Object Injection
Source: CVE Program / CVE List V5
Vulnerability Description
The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin through 1.1.28 does not validate data before passing it to a PHP deserialization function, allowing unauthenticated attackers to inject arbitrary PHP objects; where a suitable gadget chain is present on the site this can be leveraged to achieve remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress BookingPress 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress BookingPress是WordPress基金会的一款提供预约管理功能的CMS组件。 WordPress BookingPress 1.1.28及之前版本存在安全漏洞，该漏洞源于未验证数据便传递给PHP反序列化函数，允许未经身份验证的攻击者注入任意PHP对象；若网站存在合适的小工具链，则可利用此漏洞实现远程代码执行。
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
Unknown Appointment Booking Calendar Plugin and Scheduling Plugin 0 ~ 1.1.28 -

II. Public POCs for CVE-2026-12378

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III. Intelligence Information for CVE-2026-12378

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Vendor Pages for CVE-2026-12378 (1)

IV. Related Vulnerabilities

Same product: Appointment Booking Calendar Plugin and Scheduling Plugin
Same vendor: Unknown

V. Comments for CVE-2026-12378

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