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CVE-2026-12626— Online Scheduling and Appointment Booking System <= 28.2 - Authenticated (Custom+) PHP Object Injection via 'value' Parameter

Quick assessment

Affected

ladela Online Scheduling and Appointment Booking System – Bookly

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 的在线排班与预约预订系统插件 Bookly 存在 PHP 对象注入漏洞。在所有版本（包括 28.2 及之前版本）中，该漏洞是由于插件对用户传入的 'value' 参数进行了反序列化操作，且未对输入进行充分验证所致。此漏洞使得具备自定义级别及以上权限的已认证攻击者能够注入 PHP 对象。目前尚未发现可用的利用链（gadget chain）。

CVSS 7.2 · High EPSS 0.32% · P23 Updated Oct 10, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
ladela	Online Scheduling and Appointment Booking System – Bookly	`≤ 28.2`	affected

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Vulnerability Information

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Vulnerability Title

Online Scheduling and Appointment Booking System <= 28.2 - Authenticated (Custom+) PHP Object Injection via 'value' Parameter

Source: CVE Program / CVE List V5

Vulnerability Description

The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 28.2 via deserialization of untrusted input via the ‘value’ parameter. This makes it possible for authenticated attackers, with custom-level access and above, to inject a PHP Object. No known gadget chain is available.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

可信数据的反序列化

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
ladela	Online Scheduling and Appointment Booking System – Bookly	0 ~ 28.2	-

II. Public POCs for CVE-2026-12626

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-12626

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Vendor Advisories for CVE-2026-12626 (1)

🔗 Online Scheduling and Appointment Booking System <= 28.2 - Authenticated (Custom+) PHP Object Injection via 'value' Parameter Read full article

https://www.cve.org/CVERecord?id=CVE-2026-12626

Same Patch Batch · ladela · 2026-10-10 · 3 CVEs total

CVE-2026-104898	6.8 MEDIUM	Online Scheduling and Appointment Booking System <= 28.4 - Insecure Direct Object Referenc
CVE-2026-103365	5.3 MEDIUM	Online Scheduling and Appointment Booking System <= 28.4 - Unauthenticated Sensitive Infor

IV. Related Vulnerabilities

Same product: Online Scheduling and Appointment Booking System – Bookly

Same vendor: ladela

Same weakness: CWE-502

V. Comments for CVE-2026-12626

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-12626— Online Scheduling and Appointment Booking System <= 28.2 - Authenticated (Custom+) PHP Object Injection via 'value' Parameter

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 1

I. Basic Information for CVE-2026-12626

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-12626

III. Intelligence Information for CVE-2026-12626

Vendor Advisories for CVE-2026-12626 (1)

Same Patch Batch · ladela · 2026-10-10 · 3 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-12626

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