WordPress Plugin CP Blocks 1.0.14 Stored Cross Site Scripting (XSS)

2022.02.09

Credit: Shweta Mahajan

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2022-0448

CWE: CWE-79

CVSS Base Score: 3.5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 6.8/10

Exploit range: Remote

Attack complexity: Medium

Authentication: Single time

Confidentiality impact: None

Integrity impact: Partial

Availability impact: None

# Exploit Title: WordPress Plugin CP Blocks 1.0.14 - Stored Cross Site Scripting (XSS)
# Date: 2022-02-02
# Exploit Author: Shweta Mahajan
# Vendor Homepage: https://wordpress.org/plugins/cp-blocks/
# Software Link: https://wordpress.org/plugins/cp-blocks/
# Tested on Windows
# CVE: CVE-2022-0448
# Reference:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0448
https://wpscan.com/vulnerability/d4ff63ee-28e6-486e-9aa7-c878b97f707c

How to reproduce vulnerability:

1. Install Latest WordPress

2. Install and activate CP Blocks Version 1.0.14

3. Navigate to CP Blocks - License >> enter the payload into 'License ID'.

4. Enter JavaScript payload which is mentioned below
   "><script>alert(0)</script>

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 gets executed successfully and we'll get a
    pop-up.

See this note in RAW Version

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WordPress Plugin CP Blocks 1.0.14 Stored Cross Site Scripting (XSS)

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