CVE-2018-17855 : What You Need to Know

A vulnerability has been found in Joomla! versions prior to 3.8.13. Unauthorized access to a user's email account with admin verification approval authority can lead to self-activation by an attacker.

Understanding CVE-2018-17855

This CVE involves a security issue in Joomla! that allows unauthorized activation by exploiting admin verification during user registration.

What is CVE-2018-17855?

The vulnerability in Joomla! versions before 3.8.13 enables attackers to self-activate by gaining access to a user's email account with admin verification approval rights.

The Impact of CVE-2018-17855

If exploited, this vulnerability can result in unauthorized activation, potentially granting attackers access to sensitive information or unauthorized privileges within the Joomla! system.

Technical Details of CVE-2018-17855

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows attackers to activate themselves by compromising a user's email account with admin verification approval capabilities during the registration process.

Affected Systems and Versions

Affected System: Joomla! versions prior to 3.8.13
Affected Component: Admin verification during user registration

Exploitation Mechanism

Attackers exploit the admin verification process during user registration by gaining access to a user's email account with the authority to approve admin verifications, enabling self-activation.

Mitigation and Prevention

Protecting systems from CVE-2018-17855 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Joomla! to version 3.8.13 or later to mitigate the vulnerability.
Monitor user accounts for any unauthorized activities or activations.

Long-Term Security Practices

Implement multi-factor authentication to enhance user verification processes.
Educate users on email security best practices to prevent unauthorized access.

Patching and Updates

Regularly apply security patches and updates provided by Joomla! to address known vulnerabilities and enhance system security.