Vulnerability Report

CVE-2026-16540

Title: Simply Schedule Appointments PII Disclosure & Deletion

Other

Proof Of Concept

PoC Available for CVE-2026-16540

CWE Category NVD-CWE-noinfo

Published Date Aug 02, 2026

Modified Date Aug 03, 2026

Exploit Status Available

Score 7.5 CVSS v

Exploit Probability (EPSS)

0.36%

Vulnerability Summary

CVE-2026-16540: The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.

Impacted Vendors

Analysis in Progress...

Reference Links

https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6/

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-16540 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/huseyn0vs/CVE-2026-16540-SimplyScheduleAppointments

View Code

August 03, 2026 MODIFIED

Vulnerability data updated via NVD.

August 02, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.