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

Missing Authorization
CVE CVE-2026-0820
CVSS Medium (5.3)
Publicly Published January 16, 2026
Last Updated January 17, 2026
Researcher Teerachai Somprasong
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.

References

1 affected software package

Software Type Plugin
Software Slug computer-repair-shop (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.1116
Patched Version
  • 4.1121
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