CVE-2026-39620 CRITICAL

CVE-2026-39620: WordPress Appointment theme <= 3.5.5 - Cross Site Request Forgery (CSRF) to Arbitrary File Upload vulnerability

Vendor Priyanshumittal

Product Appointment

Weakness CWE-352 · CSRF

Published April 8, 2026

Last update April 29, 2026

View on NVD All CVEs

CVSS base score

9.6/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

Description

Cross-Site Request Forgery (CSRF) vulnerability in priyanshumittal Appointment appointment allows Upload a Web Shell to a Web Server.This issue affects Appointment: from n/a through <= 3.5.5.

Key dates

Disclosure timeline

April 8, 2026 CVE published

April 29, 2026 Record updated