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I. Basic Information for CVE-2026-0820
Vulnerability Information

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Vulnerability Title
RepairBuddy <= 4.1116 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Signature Upload to Orders
Source: NVD (National Vulnerability Database)
Vulnerability Description
The RepairBuddy – Repair Shop CRM & Booking Plugin for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference due to missing capability checks on the wc_upload_and_save_signature_handler function in all versions up to, and including, 4.1116. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary signatures to any order in the system, potentially modifying order metadata and triggering unauthorized status changes.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin RepairBuddy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin RepairBuddy 4.1116及之前版本存在安全漏洞,该漏洞源于wc_upload_and_save_signature_handler函数缺少能力检查,可能导致不安全的直接对象引用攻击。
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
VendorProductAffected VersionsCPESubscribe
sweetdaisy86RepairBuddy – Repair Shop CRM & Booking Plugin for WordPress 0 ~ 4.1116 -
II. Public POCs for CVE-2026-0820
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III. Intelligence Information for CVE-2026-0820
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IV. Related Vulnerabilities
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