CVE-2026-40792 MEDIUM

CVE-2026-40792: WordPress KiviCare plugin <= 4.2.1 - Insecure Direct Object References (IDOR) vulnerability

Vendor Iqonic Design

Product KiviCare

Weakness CWE-639 · IDOR

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

6.3/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Subscriber Insecure Direct Object References (IDOR) in KiviCare <= 4.2.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

KiviCare versions up to 4.2.1 contain an authorization flaw that allows authenticated users with low privileges to read, modify, or disrupt data they should not access. The vulnerability stems from insufficient access controls on sensitive operations. An authenticated attacker can exploit this without user interaction to gain unauthorized access to restricted information or functionality.

What an attacker can do

03Attacker Capabilities

Read, modify, or disrupt data and functionality they should not have access to.

Potential impact on your site

04Site Impact

Unauthorized users can access, change, or interfere with patient data, appointments, or system settings.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the KiviCare installation.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

June 15, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-40792 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/639.html AskarLabs — CWE-639 write-up Authorization Bypass Through User-Controlled Key

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