CVE-2025-52738 MEDIUM

CVE-2025-52738: WordPress Wikipedia Preview plugin <= 1.15.0 - Broken Access Control vulnerability

Vendor Wikimedia Foundation
Product Wikipedia Preview
Weakness CWE-862 · Missing authorization
Published October 22, 2025
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Wikimedia Foundation Wikipedia Preview wikipedia-preview allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wikipedia Preview: from n/a through <= 1.15.0.

Explanation of Vulnerability in Simple Terms

02Summary

Wikipedia Preview versions up to 1.15.0 lack proper authorization checks, allowing unauthenticated attackers to modify or delete data over the network. No user interaction is required. The vulnerability affects data integrity and availability but not confidentiality. Update to a version newer than 1.15.0.

What an attacker can do

03Attacker Capabilities

Modify or delete data in Wikipedia Preview without authentication.

Potential impact on your site

04Site Impact

Unauthorized users can alter or remove content; data integrity cannot be guaranteed.

Conditions required to exploit

05Prerequisites

Network access to the affected Wikipedia Preview instance; no authentication required.

Key dates

06Disclosure timeline

October 22, 2025 CVE published
April 28, 2026 Record updated