CVE-2025-49029 CRITICAL

CVE-2025-49029: WordPress Custom Login And Signup Widget plugin <= 1.0 - Arbitrary Code Execution vulnerability

Vendor Bitto.kazi
Product Custom Login And Signup Widget
Weakness CWE-94 · Code injection
Published July 1, 2025
Last update April 28, 2026

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper Control of Generation of Code ('Code Injection') vulnerability in bitto.kazi Custom Login And Signup Widget custom-login-and-signup-widget allows Code Injection.This issue affects Custom Login And Signup Widget: from n/a through <= 1.0.

Explanation of Vulnerability in Simple Terms

02Summary

The Custom Login And Signup Widget for bitto.kazi contains a code injection vulnerability in versions up to 1.0. An authenticated administrator can inject and execute arbitrary code through the widget's input handling. This allows complete compromise of the site, including data theft, modification, and service disruption. Update immediately to a patched version.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site with full system access.

Potential impact on your site

04Site Impact

A compromised admin account can execute code, steal data, modify content, and disable the site.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the site.

Key dates

06Disclosure timeline

July 1, 2025 CVE published
April 28, 2026 Record updated