CVE-2020-26153 : Security Advisory and Response

A cross-site scripting (XSS) vulnerability in the Event Espresso Core plugin before version 4.10.7.p for WordPress allows remote attackers to inject arbitrary web script or HTML.

Understanding CVE-2020-26153

This CVE involves a security issue in the Event Espresso Core plugin for WordPress that could be exploited by attackers to execute XSS attacks.

What is CVE-2020-26153?

This CVE identifies a cross-site scripting vulnerability in the Event Espresso Core plugin for WordPress, enabling malicious actors to insert unauthorized web scripts or HTML code via a specific parameter.

The Impact of CVE-2020-26153

The vulnerability allows remote attackers to execute XSS attacks, potentially leading to unauthorized access, data theft, or other malicious activities on affected WordPress sites.

Technical Details of CVE-2020-26153

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The XSS vulnerability exists in the wp-content/plugins/event-espresso-core-reg/admin_pages/messages/templates/ee_msg_admin_overview.template.php file within the Event Espresso Core plugin.

Affected Systems and Versions

Affected System: WordPress with the Event Espresso Core plugin
Affected Versions: Versions prior to 4.10.7.p

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious web scripts or HTML code through the 'page' parameter, potentially compromising the security of the WordPress site.

Mitigation and Prevention

Protecting systems from CVE-2020-26153 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the Event Espresso Core plugin to version 4.10.7.p or later to mitigate the vulnerability.
Monitor website activity for any signs of unauthorized access or malicious scripts.

Long-Term Security Practices

Regularly update all plugins and themes on WordPress sites to prevent security vulnerabilities.
Implement web application firewalls and security plugins to enhance website security.

Patching and Updates

Apply security patches promptly to all WordPress plugins and themes to address known vulnerabilities and enhance overall site security.