What is the CVSS score of CVE-2026-0820?

CVE-2026-0820 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of WordPress are affected by CVE-2026-0820?

Organizations using Booking should be aware of moderate risk from CVE-2026-0820, a missing authorization vulnerability rated CVSS 5.3. Attackers could gain access beyond their authorized level.

How to fix or mitigate CVE-2026-0820?

Within 30 days: Identify affected systems running for WordPress plugin for WordPress is vulnerable to Insecure and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

WordPress CVE-2026-0820

MEDIUM

Missing Authorization (CWE-862)

2026-01-17 security@wordfence.com

WordPress Authentication Bypass

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 17, 2026 - 04:16 nvd

MEDIUM 4.3

DescriptionCVE.org

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.

AnalysisAI

Authenticated attackers with Subscriber-level privileges can upload malicious signatures to arbitrary orders in the RepairBuddy WordPress plugin (versions up to 4.1116) due to missing capability checks, allowing them to modify order metadata and trigger unauthorized status changes. The vulnerability stems from insufficient access controls on the signature upload handler and requires only basic user authentication to exploit. Patch availability is not currently provided for this integrity-impacting vulnerability.

Technical ContextAI

Classified as CWE-862 (Missing Authorization). Affects Booking Plugin for WordPre. 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.