CVE-2026-0820
RepairBuddy <= 4.1116 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Signature Upload to Orders
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | sweetdaisy86 |
| Product | repairbuddy – repair shop crm & booking plugin for wordpress |
| Published | Jan 17, 2026 |
| Last Updated | Apr 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
sweetdaisy86 / RepairBuddy – Repair Shop CRM & Booking Plugin for WordPress
0 ≤ 4.1116
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/1b2ad299-03b1-4b9e-a241-d2ad2d85c3ac?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/computer-repair-shop/trunk/lib/includes/classes/class-wcrb_signature.php#L562 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/computer-repair-shop/tags/4.1116/lib/includes/classes/class-wcrb_signature.php#L562 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3436356%40computer-repair-shop&new=3436356%40computer-repair-shop&sfp_email=&sfph_mail=
Credits
Teerachai Somprasong