CVE-2022-1964 : Exploit Details and Defense Strategies

Easy SVG Support Plugin before version 3.3.0 is vulnerable to Author+ Stored Cross Site Scripting via SVG. This CVE allows users with low roles to upload malicious SVG files containing XSS payloads.

Understanding CVE-2022-1964

This section provides insights into the impact and technical details of CVE-2022-1964.

What is CVE-2022-1964?

The Easy SVG Support WordPress plugin before 3.3.0 fails to sanitize uploaded SVG files, enabling users with roles as low as Author to upload malicious SVG with XSS payloads.

The Impact of CVE-2022-1964

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

Technical Details of CVE-2022-1964

Let's dive into the technical aspects of this CVE.

Vulnerability Description

The flaw arises from the lack of proper sanitization of SVG files, enabling threat actors to inject and execute malicious scripts on the target system.

Affected Systems and Versions

Easy SVG Support versions earlier than 3.3.0 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading specially crafted SVG files containing XSS payloads, impacting users with low privilege roles.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-1964.

Immediate Steps to Take

It is recommended to update the Easy SVG Support plugin to version 3.3.0 or later to prevent exploitation of this vulnerability.

Long-Term Security Practices

Regularly monitor and audit file uploads, implement content security policies, and educate users on safe upload practices.

Patching and Updates

Stay informed about security patches and updates from plugin developers to safeguard against known vulnerabilities.