What is CVE-2026-87115?

CVE-2026-87115 is a critical-severity vulnerability in E4jvikwp Vikappointments Services Booking Calendar, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-10-03.

How severe is CVE-2026-87115?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Path Traversal in E4jvikwp Vikappointments Services Booking Calendar

CVE-2026-87115

The VikAppointments Services Booking Calendar plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the extract function in all versions up to, and including, 1.2.21. This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). Exploitation requires at least one File-type custom field to be published on the confirmation page shortcode, as this field is not created by default during plugin installation.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-10-03 · last modified 2026-10-03.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

E4jvikwp Vikappointments Services Booking Calendar

Weakness classification (CWE)

CWE-22 — Path Traversal

References

Frequently asked questions

What is CVE-2026-87115?: CVE-2026-87115 is a critical-severity vulnerability in E4jvikwp Vikappointments Services Booking Calendar, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-10-03.
How severe is CVE-2026-87115?: Critical severity. CVSS v3 base score is 9.1 out of 10.