CVE-2018-14850 : What You Need to Know

Tiki versions prior to 18.2, 15.7, and 12.14 are vulnerable to stored XSS vulnerabilities, allowing an authorized user to inject JavaScript code and potentially gain administrator privileges.

Understanding CVE-2018-14850

What is CVE-2018-14850?

Stored XSS vulnerabilities in Tiki versions before 18.2, 15.7, and 12.14 enable an authenticated user to inject JavaScript, potentially leading to the acquisition of administrator privileges.

The Impact of CVE-2018-14850

These vulnerabilities allow an attacker to execute malicious scripts within the context of an administrator, potentially compromising the entire system.

Technical Details of CVE-2018-14850

Vulnerability Description

The vulnerability in Tiki versions before 18.2, 15.7, and 12.14 allows an authenticated user to inject JavaScript code, potentially leading to the acquisition of administrator privileges.

Affected Systems and Versions

Tiki versions prior to 18.2
Tiki versions prior to 15.7
Tiki versions prior to 12.14

Exploitation Mechanism

An attacker can inject malicious JavaScript code, and if an administrator interacts with a wiki page and hovers over a manipulated link or thumbnail image, the attacker can acquire administrator privileges.

Mitigation and Prevention

Immediate Steps to Take

Update Tiki to version 18.2 or newer to mitigate the vulnerability.
Avoid interacting with suspicious links or images on Tiki pages.

Long-Term Security Practices

Regularly monitor and update Tiki installations to the latest versions.
Educate users on safe browsing practices and the risks of interacting with untrusted content.

Patching and Updates

Apply security patches and updates provided by Tiki to address known vulnerabilities.