CVE-2020-9003 : Security Advisory and Response

A stored XSS vulnerability in the Modula Image Gallery plugin before 2.2.5 for WordPress allows an authenticated low-privileged user to inject arbitrary JavaScript code.

Understanding CVE-2020-9003

This CVE involves a stored XSS vulnerability in a specific version of the Modula Image Gallery plugin for WordPress.

What is CVE-2020-9003?

This CVE identifies a security flaw in the Modula Image Gallery plugin that could be exploited by a low-privileged user to insert malicious JavaScript code.

The Impact of CVE-2020-9003

The successful exploitation of this vulnerability could enable an authenticated user to execute arbitrary JavaScript code visible to other users, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-9003

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability lies in the Modula Image Gallery plugin before version 2.2.5 for WordPress, allowing unauthorized JavaScript injection by authenticated low-privileged users.

Affected Systems and Versions

Product: Modula Image Gallery plugin
Vendor: N/A
Versions affected: All versions before 2.2.5

Exploitation Mechanism

The vulnerability can be exploited by an authenticated low-privileged user to inject malicious JavaScript code, which can then be executed by the plugin and viewed by other users.

Mitigation and Prevention

Protecting systems from CVE-2020-9003 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Modula Image Gallery plugin to version 2.2.5 or later to mitigate the vulnerability.
Monitor user-generated content for suspicious JavaScript injections.

Long-Term Security Practices

Regularly update all plugins and themes to the latest versions.
Educate users on safe practices to prevent XSS attacks.

Patching and Updates

Ensure timely installation of security patches and updates for all WordPress plugins and themes to address known vulnerabilities.