CVE-2023-49859 MEDIUM

CVE-2023-49859: WordPress Login With Ajax plugin <= 4.1 - Broken Access Control vulnerability

Vendor Marcus (Aka @Msykes)
Product Login With Ajax
Weakness CWE-862 · Missing authorization
Published December 9, 2024
Last update April 29, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Marcus (aka @msykes) Login With Ajax login-with-ajax allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Login With Ajax: from n/a through <= 4.1.

Explanation of Vulnerability in Simple Terms

02Summary

Login With Ajax versions 4.1 and earlier contain an authorization bypass that allows an attacker to modify data through user interaction. The vulnerability stems from missing access control checks on certain functions. An authenticated or unauthenticated user who clicks a malicious link can trigger unintended changes to site data. Update to a version newer than 4.1.

What an attacker can do

03Attacker Capabilities

Modify site data by tricking a user into clicking a malicious link.

Potential impact on your site

04Site Impact

Site data can be altered without proper authorization if users click attacker-controlled links.

Conditions required to exploit

05Prerequisites

User interaction required; attacker must trick a victim into visiting a crafted URL.

Key dates

06Disclosure timeline

December 9, 2024 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE