Vulnerability · Published Sep 30, 2026 · Assigned by Patchstack

CVE-2026-94673WordPress Simply Schedule Appointments plugin <= 1.6.12.31 - Insecure Direct Object References (IDOR) vulnerability

Medium 5.3

In plain English

A medium-severity authorization bypass via user-controlled key in Simply Schedule Appointments from NSquared. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 85.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Unauthenticated Insecure Direct Object References (IDOR) in Simply Schedule Appointments <= 1.6.12.31 versions.

Affected products (as reported)

VendorProductVersions
NSquared Simply Schedule Appointments n/a – through 1.6.12.31

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References