CVE-2017-20061: Cross Site Scripting in Elefant CMS
Summary
CVE-2017-20061: Cross site scripting in Elefant CMS. Affects elefant/cms versions < 1.3.13. Fixed in 1.3.13. How to fix ↓
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Background
Elefant CMS is an open-source content management system that allows users to create and manage websites. It provides a range of features such as a user-friendly interface, customizable templates, and support for multiple languages. However, Elefant CMS version 1.3.12-RC is vulnerable to a cross-site scripting (XSS) attack.
Vulnerability Detail
The vulnerability in Elefant CMS version 1.3.12-RC is due to insufficient input sanitization in the /admin/extended file. An attacker can exploit this vulnerability by manipulating the 'name' argument with malicious input, such as %3Cimg%20src=no%20onerror=alert(1)%3E. This input is reflected back to the user without proper validation, leading to a basic XSS attack. The attack can be initiated remotely, and the exploit has been publicly disclosed. The impact of this vulnerability can range from unauthorized access to sensitive information to the execution of arbitrary code. Upgrading to version 1.3.13 is recommended to address this issue.
How To Fix
Minimum fixed version
1.3.13
This is the first release that contains the fix.
composer require elefant/cms:1.3.13Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to upgrade to the fixed version (1.3.13) to mitigate the risk of exploitation.
Conclusion
In conclusion, Elefant CMS version 1.3.12-RC is vulnerable to a cross-site scripting (XSS) attack. Upgrading to version 1.3.13 is necessary to address this issue and mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Elefant CMS is an open-source content management system that allows users to create and manage websites. It provides a range of features such as a user-friendly interface, customizable templates, and support for multiple languages.
Cross-site scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. This can lead to various attacks, such as stealing sensitive information or executing arbitrary code.
The vulnerability in Elefant CMS occurs due to insufficient input sanitization in the /admin/extended file. Attackers can exploit this by manipulating the 'name' argument with malicious input, leading to a basic XSS attack.
The impact of this vulnerability can range from unauthorized access to sensitive information to the execution of arbitrary code. Attackers can use this vulnerability to steal user credentials, perform phishing attacks, or deface websites.
To protect your Elefant CMS installation, it is crucial to upgrade to the fixed version (1.3.13). Additionally, it is recommended to follow security best practices, such as regularly updating the CMS and plugins, using strong passwords, and implementing web application firewalls.
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