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

2022-02-0800:00:00

Shweta Mahajan

www.exploit-db.com

319

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack 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

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.3%

JSON

# 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.