CVE-2019-9911 Explained : Impact and Mitigation

The social-networks-auto-poster-facebook-twitter-g plugin, prior to version 4.2.8, has a cross-site scripting (XSS) vulnerability in the wp-admin/admin.php?page=nxssnap-reposter&action=edit item.

Understanding CVE-2019-9911

This CVE involves a cross-site scripting vulnerability in a specific WordPress plugin.

What is CVE-2019-9911?

The CVE-2019-9911 vulnerability is a cross-site scripting (XSS) issue found in the social-networks-auto-poster-facebook-twitter-g plugin for WordPress before version 4.2.8.

The Impact of CVE-2019-9911

This vulnerability could allow attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2019-9911

The technical aspects of this CVE are as follows:

Vulnerability Description

The XSS vulnerability exists in the wp-admin/admin.php?page=nxssnap-reposter&action=edit item of the plugin.

Affected Systems and Versions

Affected Product: social-networks-auto-poster-facebook-twitter-g plugin
Affected Versions: Before 4.2.8

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the affected item, potentially impacting users who interact with the compromised content.

Mitigation and Prevention

Protecting systems from CVE-2019-9911 involves the following steps:

Immediate Steps to Take

Update the social-networks-auto-poster-facebook-twitter-g plugin to version 4.2.8 or newer.
Monitor for any suspicious activities on the WordPress site.

Long-Term Security Practices

Regularly update all plugins and themes to their latest versions.
Implement security plugins or tools to scan for vulnerabilities and malicious code.

Patching and Updates

Stay informed about security updates for WordPress plugins and apply them promptly to prevent exploitation of known vulnerabilities.