CVE-2019-13950 : What You Need to Know

SyGuestBook A5 Version 1.2 contains a stored XSS vulnerability that can be exploited through a reply to a comment on the index.php?c=admin&a=index URL.

Understanding CVE-2019-13950

SyGuestBook A5 Version 1.2 is susceptible to a stored XSS vulnerability that allows attackers to execute malicious scripts by replying to comments.

What is CVE-2019-13950?

The vulnerability in SyGuestBook A5 Version 1.2 enables attackers to inject and execute malicious scripts through the comment reply feature, posing a security risk to users.

The Impact of CVE-2019-13950

This vulnerability can lead to unauthorized access, data theft, and potential compromise of user information on websites utilizing SyGuestBook A5 Version 1.2.

Technical Details of CVE-2019-13950

SyGuestBook A5 Version 1.2's stored XSS vulnerability has the following technical details:

Vulnerability Description

Stored XSS vulnerability in SyGuestBook A5 Version 1.2
Exploitable through the reply feature in comments

Affected Systems and Versions

Product: SyGuestBook A5 Version 1.2
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers can inject malicious scripts by replying to comments on the index.php?c=admin&a=index URL

Mitigation and Prevention

To address the CVE-2019-13950 vulnerability, consider the following steps:

Immediate Steps to Take

Disable the comment reply feature in SyGuestBook A5 Version 1.2
Implement input validation to sanitize user-generated content

Long-Term Security Practices

Regularly update SyGuestBook to the latest version
Educate users on safe commenting practices to prevent XSS attacks

Patching and Updates

Apply patches or updates provided by the SyGuestBook vendor to fix the vulnerability