CVE-2018-20454 : Exploit Details and Defense Strategies

A vulnerability was identified in version 4.2.111 of 74cms, making the page upload/index.php?c=resume&a=resume_list susceptible to cross-site scripting (XSS) attacks through the key parameter.

Understanding CVE-2018-20454

This CVE involves a cross-site scripting vulnerability in 74cms version 4.2.111.

What is CVE-2018-20454?

This CVE refers to a security issue in 74cms v4.2.111, where the specific page is vulnerable to XSS attacks through the key parameter.

The Impact of CVE-2018-20454

The vulnerability allows attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-20454

This section provides more technical insights into the CVE.

Vulnerability Description

The issue in 74cms v4.2.111 allows for XSS attacks via the key parameter on the upload/index.php?c=resume&a=resume_list page.

Affected Systems and Versions

Affected Version: 4.2.111 of 74cms
Systems: Not specified

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the key parameter, which can then be executed in the user's browser.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Disable the affected page or parameter if not essential for operations.
Implement input validation to sanitize user inputs and prevent script injection.
Regularly monitor and audit web application logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate developers and users on secure coding practices and the risks of XSS attacks.

Patching and Updates

Apply patches or updates provided by the software vendor to fix the XSS vulnerability in 74cms version 4.2.111.