CVE-2021-29387 : Vulnerability Insights and Analysis

Multiple stored cross-site scripting (XSS) vulnerabilities in Sourcecodester Equipment Inventory System 1.0 allow remote attackers to inject arbitrary javascript in various "Add" sections.

Understanding CVE-2021-29387

This CVE-2021-29387 affects Sourcecodester Equipment Inventory System 1.0, enabling attackers to execute XSS attacks through specific input fields.

What is CVE-2021-29387?

CVE-2021-29387 involves multiple stored cross-site scripting (XSS) vulnerabilities that can be exploited by remote attackers to insert malicious javascript code through the "Add" sections of the system.

The Impact of CVE-2021-29387

The impact of this CVE includes the ability for remote attackers to inject arbitrary javascript, potentially leading to unauthorized access, data theft, or further compromise of the affected system.

Technical Details of CVE-2021-29387

Below are the technical details regarding the vulnerability:

Vulnerability Description

The vulnerability allows attackers to inject javascript code via the "Add" sections of Sourcecodester Equipment Inventory System 1.0, such as Add Item, Employee, Position, or any similar fields.

Affected Systems and Versions

Affected System: Sourcecodester Equipment Inventory System 1.0
Affected Version: Not applicable

Exploitation Mechanism

Attackers exploit this vulnerability by submitting crafted input containing malicious javascript, which gets stored in the system and executed when viewed by other users.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-29387, consider implementing the following measures:

Immediate Steps to Take

Disable Add Functionality: If not essential, disable the "Add" sections within the application to prevent javascript injection.
Input Validation: Implement strict input validation to filter out any potentially harmful scripts.

Long-Term Security Practices

Regular Security Audits: Conduct routine security audits to identify and address any vulnerabilities proactively.
User Education: Educate users on the importance of safe browsing practices to minimize risks.

Patching and Updates

Ensure the Sourcecodester Equipment Inventory System 1.0 is regularly updated with the latest security patches to address known vulnerabilities.