Stored cross-site scripting in Zoner - Real Estate WordPress Theme - #VU21417

 

Stored cross-site scripting in Zoner - Real Estate WordPress Theme - #VU21417

Published: September 30, 2019 / Updated: November 6, 2019


Vulnerability identifier: #VU21417
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Fruitful Code
Affected software:
Zoner - Real Estate WordPress Theme

Detailed vulnerability 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 "Address" input field on the "Local information" block. A remote 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.

PoC:

Payload Sample: "><img src=x onerror=alert('Greetings from m0ze');window.location.replace('http://defcon.su');>

Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources