CVE-2019-11513 : Security Advisory and Response

CMS Made Simple File Manager up to version 2.2.10 is vulnerable to Reflected XSS through the "New name" field during a Rename action.

Understanding CVE-2019-11513

The File Manager in CMS Made Simple through version 2.2.10 has a security vulnerability that allows for Reflected XSS attacks.

What is CVE-2019-11513?

The vulnerability in CMS Made Simple allows malicious actors to execute Reflected XSS attacks by manipulating the "New name" field during a Rename action.

The Impact of CVE-2019-11513

This vulnerability could be exploited by attackers to inject malicious scripts into web pages viewed by other users, leading to potential data theft, unauthorized actions, or account compromise.

Technical Details of CVE-2019-11513

The technical aspects of the CVE-2019-11513 vulnerability are as follows:

Vulnerability Description

The vulnerability arises from improper input validation in the "New name" field of the File Manager in CMS Made Simple.

Affected Systems and Versions

Affected System: CMS Made Simple
Affected Versions: Up to version 2.2.10

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious link containing the XSS payload and tricking a user with privileges to click on it, thereby executing the malicious script.

Mitigation and Prevention

To address CVE-2019-11513 and enhance security measures, consider the following steps:

Immediate Steps to Take

Update CMS Made Simple to the latest version to patch the vulnerability.
Avoid clicking on suspicious links or visiting untrusted websites to mitigate the risk of XSS attacks.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.
Regularly monitor and audit web applications for vulnerabilities to ensure a secure environment.

Patching and Updates

Stay informed about security updates and patches released by CMS Made Simple and promptly apply them to protect against known vulnerabilities.