SB2019070812 - Multiple vulnerabilities in Zoner Real Estate theme for WordPress

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Main Vulnerability Database SB2019070812

SB2019070812 - Multiple vulnerabilities in Zoner Real Estate theme for WordPress

Published: July 8, 2019

Security Bulletin ID SB2019070812
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Reflected cross-site scripting (CVE-ID: N/A)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear


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

The vulnerability exists due to weak security measures like bad input fields data filtering. A remote attacker can trick the victim to follow a specially crafted link 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: 

Sample payload #1: "><img src="x" onerror="alert(document.cookie)">

Sample payload #2: "><img src="x" onerror=window.location.replace(`https://twitter.com/quixss`)>


2) Stored cross-site scripting (CVE-ID: N/A)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear


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

The vulnerability exists due to weak security measures like bad input fields data filtering. A remote attacker can trick the victim to follow a specially crafted link 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: 

Sample payload #1: "><script>alert('QUIXSS')</script>

Sample payload #2: "><img src="x" onerror="alert('QUIXSS');">

Sample payload #3: "><img src=x onerror=alert('QUIXSS')>


Remediation

Install update from vendor's website.

References