CVE-2024-33918 MEDIUM

CVE-2024-33918: WordPress AJAX Login and Registration modal popup + inline form plugin <= 2.23 - Cross Site Scripting (XSS) vulnerability

Vendor Maxim K
Product AJAX Login and Registration modal popup + inline form
Weakness CWE-79 · XSS
Published May 3, 2024
Last update April 28, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Maxim K AJAX Login and Registration modal popup + inline form allows Stored XSS.This issue affects AJAX Login and Registration modal popup + inline form: from n/a through 2.23.

Explanation of Vulnerability in Simple Terms

02Summary

The AJAX Login and Registration modal popup plugin for WordPress contains a cross-site scripting (XSS) vulnerability in versions up to 2.23. An authenticated user with high privileges can inject malicious scripts that execute in other users' browsers when they interact with the login or registration form. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they use the login or registration form.

Potential impact on your site

04Site Impact

Admins or editors can inject code affecting other users' sessions, data, or site functionality without detection.

Conditions required to exploit

05Prerequisites

Attacker must have high-level site privileges (e.g., admin or editor role) and the victim must visit the affected form.

Key dates

06Disclosure timeline

May 3, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE