CVE-2026-14188

Easy Appointments <= 3.12.26 - Authenticated (Contributor+) Insecure Direct Object Reference

2026-07-30 00:00
Mustafa Ahmed

Strategic Overview

Status
Unpatched
Affected Plugin
Easy Appointments
Affected Version
<= 3.12.26
CVSS
4.3Medium
Weakness type
CWE-639 · Authorization Bypass Through User-Controlled Key
CVE
CVE-2026-14188
View all Easy Appointments vulnerabilities

At a glance

CVE-2026-14188 is a medium-severity Authorization Bypass Through User-Controlled Key vulnerability in the Easy Appointments WordPress plugin, affecting versions <= 3.12.26. It carries a CVSS score of 4.3 (reachable over the network; low attack complexity). Exploitation requires an authenticated account at Contributor level or above. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed July 2026, reported by Mustafa Ahmed.

Vulnerability Overview

The Easy Appointments plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 3.12.26 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to perform an unauthorized action.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user.

CWE-639: Authorization Bypass Through User-Controlled Key

Reaching this weakness in Easy Appointments <= 3.12.26 takes an account at Contributor level or above. Authorization bypass through a user-controlled key, often called insecure direct object reference, means the application looks up a record by an identifier from the request without checking that the caller owns it.

Changing a number in the request is enough to read or modify other users' records, which on commerce and membership sites means customer data. No fixed build of this plugin is recorded for Easy Appointments yet, so installs running <= 3.12.26 stay exposed until the vendor ships one.

Remediation

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

How WordSec helps

Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. No patched version is recorded yet, which is the case where a filtering layer matters most, because there is nothing to update to.

  • Login Security
  • Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2026-14188https://www.wordfence.com/threat-intel/vulnerabilities/id/1e8f0ef8-4916-4b62-a062-f169ba15448ehttps://nvd.nist.gov/vuln/detail/CVE-2026-14188

Related records

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C