CVE-2020-13764 : Exploit Details and Defense Strategies

Gravity Forms plugin before 2.4.9 for WordPress is vulnerable to leaking hashed passwords due to a specific user_pass issue.

Understanding CVE-2020-13764

This CVE involves a security vulnerability in the Gravity Forms plugin for WordPress that can lead to the exposure of hashed passwords.

What is CVE-2020-13764?

The issue arises from common.php in the Gravity Forms plugin before version 2.4.9, where user_pass is not treated as a special case for a $current_user->get($property) call.

The Impact of CVE-2020-13764

The vulnerability can potentially expose hashed passwords, compromising user account security and confidentiality.

Technical Details of CVE-2020-13764

Gravity Forms plugin before version 2.4.9 for WordPress is affected by this vulnerability.

Vulnerability Description

The flaw in common.php can allow the leakage of hashed passwords due to inadequate handling of user_pass.

Affected Systems and Versions

Product: Gravity Forms plugin
Vendor: WordPress
Versions affected: All versions before 2.4.9

Exploitation Mechanism

Attackers can exploit this vulnerability to access hashed passwords by leveraging the user_pass issue in the plugin.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Update Gravity Forms plugin to version 2.4.9 or later to mitigate the vulnerability.
Monitor user accounts for any suspicious activity or unauthorized access.

Long-Term Security Practices

Regularly update plugins and software to patch known security issues.
Implement strong password policies and consider additional security measures like two-factor authentication.

Patching and Updates

Apply patches and updates provided by the plugin vendor to ensure ongoing protection against security vulnerabilities.