CVE-2020-28650 : What You Need to Know

The WPBakery plugin before 6.4.1 for WordPress is vulnerable to XSS due to a flaw in its security mechanism.

Understanding CVE-2020-28650

This CVE identifies a cross-site scripting vulnerability in the WPBakery plugin for WordPress.

What is CVE-2020-28650?

The WPBakery plugin before version 6.4.1 for WordPress is susceptible to XSS attacks as it disables the standard WordPress XSS protection for Author and Contributor roles.

The Impact of CVE-2020-28650

The vulnerability allows attackers to execute malicious scripts in the context of an authenticated user, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-28650

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The WPBakery plugin fails to adequately protect against XSS by disabling the standard WordPress protection for certain user roles.

Affected Systems and Versions

Product: WPBakery plugin
Vendor: N/A
Versions affected: All versions before 6.4.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Scope: Changed
CVSS Base Score: 6.4 (Medium)
CVSS Vector: CVSS:3.1/AC:L/AV:N/A:N/C:L/I:L/PR:L/S:C/UI:N

Mitigation and Prevention

Protect your systems from CVE-2020-28650 with the following measures:

Immediate Steps to Take

Update WPBakery plugin to version 6.4.1 or later.
Monitor user-generated content for suspicious scripts.

Long-Term Security Practices

Regularly update all plugins and themes to the latest versions.
Educate users on safe browsing habits and potential risks of executing scripts.

Patching and Updates

Stay informed about security updates for WordPress plugins and apply them promptly to mitigate known vulnerabilities.