CVE-2019-15818 : Security Advisory and Response

The WordPress plugin, simple-301-redirects-addon-bulk-uploader, up to version 1.2.4, allows unauthorized actions without authentication.

Understanding CVE-2019-15818

The vulnerability in the simple-301-redirects-addon-bulk-uploader plugin for WordPress enables unauthorized users to perform specific actions without authentication.

What is CVE-2019-15818?

The plugin up to version 1.2.4 does not require authentication for actions like "bulk301export" or "bulk301clearlist," potentially leading to unauthorized access and misuse.

The Impact of CVE-2019-15818

This vulnerability could be exploited by malicious actors to manipulate the plugin's functionalities without proper authentication, compromising the security and integrity of the WordPress site.

Technical Details of CVE-2019-15818

The following technical details provide insight into the vulnerability:

Vulnerability Description

The plugin allows unauthorized users to execute actions without authentication, posing a security risk to WordPress sites.

Affected Systems and Versions

Product: WordPress plugin simple-301-redirects-addon-bulk-uploader
Versions: Up to 1.2.4

Exploitation Mechanism

Unauthorized users can exploit the vulnerability by performing actions like "bulk301export" or "bulk301clearlist" without the need for authentication.

Mitigation and Prevention

To address CVE-2019-15818, consider the following mitigation strategies:

Immediate Steps to Take

Disable or remove the vulnerable plugin if not essential for site functionality.
Monitor site activity for any suspicious behavior or unauthorized changes.
Implement strong authentication mechanisms to prevent unauthorized access.

Long-Term Security Practices

Regularly update plugins and themes to patch known vulnerabilities.
Conduct security audits to identify and address any potential security gaps.

Patching and Updates

Check for plugin updates and apply patches provided by the plugin developer to fix the vulnerability.