Learn about CVE-2022-2190, a vulnerability in the Gallery Plugin for WordPress plugin before 1.8.4.7, allowing attackers to execute malicious scripts through Reflected Cross-Site Scripting. Find mitigation steps and best practices here.
This article discusses the security vulnerability identified as Reflected Cross-Site Scripting in the Envira Gallery Lite WordPress plugin before version 1.8.4.7.
Understanding CVE-2022-2190
This section covers the details and impacts of the CVE-2022-2190 vulnerability.
What is CVE-2022-2190?
The Gallery Plugin for WordPress plugin before 1.8.4.7 is susceptible to Reflected Cross-Site Scripting due to improper handling of the $_SERVER['REQUEST_URI'] parameter, posing a risk of executing malicious scripts in old web browsers.
The Impact of CVE-2022-2190
The vulnerability could allow attackers to inject and execute malicious scripts in the context of a user's web session, leading to unauthorized actions or data theft.
Technical Details of CVE-2022-2190
In this section, we delve into the technical specifics of the CVE-2022-2190 vulnerability.
Vulnerability Description
The issue arises from the lack of proper escaping of user-controlled input before displaying it back in an attribute, making it possible for malicious scripts to be executed.
Affected Systems and Versions
The vulnerability affects versions of the Gallery Plugin for WordPress - Envira Photo Gallery plugin prior to 1.8.4.7.
Exploitation Mechanism
Exploiting this vulnerability involves crafting a malicious link containing the payload and tricking a user into clicking it, thereby executing the injected script.
Mitigation and Prevention
This section provides guidance on mitigating the risks associated with CVE-2022-2190.
Immediate Steps to Take
Users are advised to update the Gallery Plugin for WordPress to version 1.8.4.7 or newer to address this vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implementing secure coding practices, input validation, and output encoding can help prevent Cross-Site Scripting vulnerabilities in web applications.
Patching and Updates
Regularly monitoring security advisories and promptly applying security patches and updates is crucial to maintaining the security of WordPress plugins and preventing exploitation of known vulnerabilities.