Stored cross-site scripting in Visual Composer Website Builder plugin for WordPress



Published: 2020-05-19
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Visual Composer Website Builder
Web applications / Modules and components for CMS

Vendor Visual Composer

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stored cross-site scripting

EUVDB-ID: #VU27991

Risk: Low

CVSSv3.1:

CVE-ID: N/A

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the "addPage" method in “visualcomposer/visualcomposer/Modules/Settings/Pages/CssJsSettings.php” page. A remote authenticated attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Visual Composer Website Builder: 20.0 - 26.0

CPE2.3 External links

http://wpvulndb.com/vulnerabilities/10229/
http://blog.nintechnet.com/multiple-xss-vulnerabilities-fixed-in-wordpress-visual-composer-plugin/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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