CVE-2018-16327: Subrion Cross-site Scripting (XSS)
Summary
CVE-2018-16327: Subrion Cross-site Scripting (XSS). Affects intelliants/subrion versions 4.2.1. No fix is published. How to fix ↓
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Background
Subrion is a package available on Packagist that provides a content management system (CMS) for building websites. It offers various features and functionalities to manage and customize website content. However, Subrion version 4.2.1 is vulnerable to a stored cross-site scripting (XSS) attack through the admin panel URL configuration.
Vulnerability Detail
The vulnerability in Subrion 4.2.1 allows an attacker to inject malicious scripts into the admin panel URL configuration. This can lead to the execution of arbitrary code in the context of an authenticated administrator. The impact of this vulnerability can range from unauthorized access to sensitive information to complete compromise of the affected system. The vulnerability has a CVSS score of 4.8, indicating a moderate severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, administrators can implement input validation and output encoding to mitigate the risk of XSS attacks. This can be achieved by using security libraries or frameworks that provide built-in protection against XSS vulnerabilities. Here is an example of input validation and output encoding in PHP:
// Input validation
$input = $_POST['input'];
$validatedInput = htmlspecialchars($input);
// Output encoding
$output = $dataFromDatabase;
$encodedOutput = htmlspecialchars($output);
Conclusion
Subrion version 4.2.1 is vulnerable to a stored XSS attack. It is crucial for users to update their Subrion installation to the latest version available and implement input validation and output encoding to mitigate the risk of XSS attacks. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Subrion is a content management system (CMS) package available on Packagist. It provides features for building and managing websites.
A stored XSS attack is a type of vulnerability where an attacker injects malicious scripts into a website, which are then stored and executed when accessed by other users.
The impact of this vulnerability can range from unauthorized access to sensitive information to complete compromise of the affected system.
To fix this vulnerability, it is recommended to upgrade Subrion to a version that includes a patch for this issue. Additionally, implementing input validation and output encoding can help mitigate the risk of XSS attacks.
As a temporary workaround, administrators can implement input validation and output encoding to mitigate the risk of XSS attacks. This can be achieved by using security libraries or frameworks that provide built-in protection against XSS vulnerabilities.
References
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