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

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CRITICAL

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

Published Apr 8, 2026

9.6

CRITICAL

CVSS 3.1

EPSS 0.20%

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.

Affected products

Vendor Priyanshumittal Product Appointment Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <=3.5.5

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Priyanshumittal

Appointment

unaffected

Version	Status	Constraints
0	affected	<=3.5.5

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-352

CSRF

References (2)

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-20262		Advisory
https://patchstack.com/database/Wordpress/Theme/appointment/vulnerability/wordpress-appointment-theme-3-5-5-cross-site-request-forgery-csrf-to-arbitrary-file-upload-vulnerability?_s_id=cve		vdb-entry