WordPress Contact Form Check Tester 1.0.2 Plugin - Broken Access Control Vulnerability

2022-02-0200:00:00

0xB9

0day.today

165

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

3.5 Low

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

JSON

# Exploit Title: WordPress Plugin Contact Form Check Tester 1.0.2 - Broken Access Control
# Author: 0xB9
# Software Link: https://wordpress.org/plugins/contact-fo...ck-tester/
# Version: 1.0.2
# Tested on: Windows 10
# CVE: CVE-2021-24247

1. Description:
The plugin settings are visible to all registered users in the dashboard.
A registered user can leave a payload in the plugin settings.

2. Proof of Concept:
- Register an account
- Navigate to the dashboard
- Go to CF7 Check Tester -> Settings
- Add a form
- Add a field to the form
- Put in a payload in either Field selector or Field value  "><script>alert(1)</script>
- Save
Anyone who visits the settings page will execute the payload.