CVE-2019-15889 : Exploit Details and Defense Strategies

The category shortcode feature in the download-manager plugin for WordPress before version 2.9.94 is susceptible to XSS attacks through parameters like orderby or search[publish_date].

Understanding CVE-2019-15889

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

What is CVE-2019-15889?

The download-manager plugin for WordPress before version 2.9.94 is vulnerable to XSS attacks, allowing malicious actors to execute scripts on the victim's browser.

The Impact of CVE-2019-15889

This vulnerability has a CVSS base score of 6.1, indicating a medium severity issue. It requires user interaction for exploitation and can lead to low confidentiality and integrity impacts.

Technical Details of CVE-2019-15889

The technical aspects of the CVE are as follows:

Vulnerability Description

The XSS vulnerability in the download-manager plugin allows attackers to inject and execute malicious scripts via parameters like orderby or search[publish_date].

Affected Systems and Versions

Product: download-manager plugin
Vendor: WordPress
Versions affected: Before 2.9.94

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Scope: Changed
Vector String: CVSS:3.0/AC:L/AV:N/A:N/C:L/I:L/PR:N/S:C/UI:R

Mitigation and Prevention

To address CVE-2019-15889, consider the following steps:

Immediate Steps to Take

Update the download-manager plugin to version 2.9.94 or newer.
Monitor and sanitize user inputs to prevent XSS attacks.

Long-Term Security Practices

Regularly audit and review plugins for security vulnerabilities.
Educate users on safe browsing practices to mitigate XSS risks.

Patching and Updates

Stay informed about security updates for WordPress plugins.
Apply patches promptly to protect against known vulnerabilities.