CVE-2018-25047 : Vulnerability Insights and Analysis

This CVE record discusses a vulnerability in Smarty versions before 3.1.47 and 4.x before 4.2.1 that can lead to cross-site scripting attacks.

Understanding CVE-2018-25047

This CVE identifies a specific security issue in the Smarty template engine.

What is CVE-2018-25047?

The vulnerability lies in the file libs/plugins/function.mailto.php, potentially allowing for cross-site scripting attacks if input parameters from GET or POST requests can be injected with JavaScript code.

The Impact of CVE-2018-25047

Exploitation of this vulnerability could result in unauthorized execution of scripts in a user's browser, leading to potential data theft or manipulation.

Technical Details of CVE-2018-25047

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw in the smarty_function_mailto function can be exploited to inject malicious JavaScript code into web pages, enabling XSS attacks.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions:
Version: n/a
Status: affected

Exploitation Mechanism

The vulnerability can be exploited by injecting JavaScript code into input parameters from GET or POST requests, allowing attackers to execute scripts in a victim's browser.

Mitigation and Prevention

Protective measures to address the CVE.

Immediate Steps to Take

Upgrade to Smarty version 3.1.47 or 4.2.1 to mitigate the vulnerability.
Avoid parameterizing input from untrusted sources in Smarty templates.

Long-Term Security Practices

Regularly update software components to the latest versions to patch known vulnerabilities.
Implement input validation and output encoding to prevent XSS attacks.

Patching and Updates

Refer to vendor advisories and security updates for the latest patches and fixes.