RepairBuddy <= 4.1116 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Signature Upload to Orders

2026-01-16 14:36

Teerachai Somprasong

Strategic Overview

Status

Patched in 4.1121

Affected PluginRepairBuddy – Repair Shop CRM & Booking Plugin for WordPress

Affected Version<= 4.1116

CVSS4.3Medium

CVECVE-2026-0820

View all RepairBuddy – Repair Shop CRM & Booking Plugin for WordPress vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 4.1121, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2026-0820 https://www.wordfence.com/threat-intel/vulnerabilities/id/1b2ad299-03b1-4b9e-a241-d2ad2d85c3ac

CVSS Vector

4.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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