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CVE-2026-0820

4.3 · MEDIUM

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_si…

Published Jan 17, 2026CWE-862EPSS 0.23%

Overview

CVE-2026-0820 is a medium-severity vulnerability. It was published on January 17, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/computer-repair-shop/tags/4.1116/lib/includes/classes/class-wcrb_signature.php#L562Refplugins.trac.wordpress.org/browser/computer-repair-shop/trunk/lib/includes/classes/class-wcrb_signature.php#L562Refplugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3436356%40computer-repair-shop&new=3436356%40computer-repair-shop&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/1b2ad299-03b1-4b9e-a241-d2ad2d85c3ac?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-0820?

CVE-2026-0820 is a medium-severity vulnerability. It was published on January 17, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-0820?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-0820?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-0820?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-0820 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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