CVE-2025-54049 CRITICAL

CVE-2025-54049: WordPress Custom API for WP <= 4.2.2 - Privilege Escalation Vulnerability

Vendor Miniorange
Product Custom API for WP
Weakness CWE-266
Published August 20, 2025
Last update April 28, 2026
View on NVD All CVEs

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

Incorrect Privilege Assignment vulnerability in miniOrange Custom API for WP custom-api-for-wp allows Privilege Escalation.This issue affects Custom API for WP: from n/a through <= 4.2.2.

Explanation of Vulnerability in Simple Terms

02Summary

The Custom API for WP plugin through version 4.2.2 contains an improper privilege escalation vulnerability. An authenticated user with low privileges can modify API permissions and access controls to gain administrative capabilities. The vulnerability affects confidentiality, integrity, and availability of the WordPress site. Update to a version newer than 4.2.2 immediately.

What an attacker can do

03Attacker Capabilities

Escalate from low-privilege user to administrator and modify site data or disable the site.

Potential impact on your site

04Site Impact

Any low-privilege user can take over the site, access sensitive data, modify content, or cause downtime.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor).

Key dates

06Disclosure timeline

August 20, 2025 CVE published
April 28, 2026 Record updated