CVE-2025-53251 CRITICAL

CVE-2025-53251: WordPress Pin WP theme < 7.2 - Arbitrary File Upload Vulnerability

Vendor An-Themes
Product Pin WP
Weakness CWE-434 · Unrestricted file upload
Published August 21, 2025
Last update April 28, 2026

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in An-Themes Pin WP pin-wp allows Upload a Web Shell to a Web Server.This issue affects Pin WP: from n/a through < 7.2.

Explanation of Vulnerability in Simple Terms

02Summary

Pin WP versions 7.2 and earlier contain an unrestricted file upload vulnerability. An attacker with low-level site access can upload malicious files without proper validation, potentially gaining full control of the site. The vulnerability affects confidentiality, integrity, and availability across the entire system.

What an attacker can do

03Attacker Capabilities

Upload malicious files and run their own code on the site.

Potential impact on your site

04Site Impact

Complete site compromise: data theft, defacement, malware injection, or total takeover.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege account (e.g., contributor or subscriber role).

Key dates

06Disclosure timeline

August 21, 2025 CVE published
April 28, 2026 Record updated