WordPress Plugin WP Customize Login 1.1 - 'Change Logo Title' Stored Cross-Site Scripting (XSS)

vendor:

WP Customize Login

by:

Aryan Chehreghani

8,8

CVSS

HIGH

Stored Cross-Site Scripting (XSS)

CWE

Product Name: WP Customize Login

Affected Version From: 1.1

Affected Version To: 1.1

Patch Exists: YES

Related CWE: N/A

CPE: 2.3:a:wordpress:wp_customize_login:1.1

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows 10

2021

WordPress Plugin WP Customize Login 1.1 – ‘Change Logo Title’ Stored Cross-Site Scripting (XSS)

A stored XSS vulnerability exists in WordPress Plugin WP Customize Login 1.1, which allows an attacker to inject malicious JavaScript code into the 'Change Logo Title' input field. When the malicious code is triggered, it will execute and display a pop-up with the user's cookie information.

Mitigation:

Ensure that user input is properly sanitized and validated before being stored in the database.

Source

Exploit-DB raw data:

# Exploit Title: WordPress Plugin WP Customize Login 1.1 - 'Change Logo Title' Stored Cross-Site Scripting (XSS)
# Date: 2021-08-03
# Exploit Author: Aryan Chehreghani
# Software Link: https://wordpress.org/plugins/customize-login/
# Version: 1.1
# Tested on: Windows 10

How to Reproduce this Vulnerability:

1. Install WordPress 5.8
2. Install and activate  WP Customize Login
3. Navigate to Customize Login under Settings Tab >>  enter the XSS payload into the Change Logo Title input field.
4. Click Save Changes.
5. You will observe that the payload successfully got stored into the database and when you are triggering the same functionality at that time JavaScript payload is executing successfully and we are getting a pop-up.
6. Payload Used: "><script>alert(document.cookie)</script>