CVE-2021-31537 : Vulnerability Insights and Analysis

SIS SIS-REWE Go before 7.7 SP17 is vulnerable to a cross-site scripting (XSS) attack. The affected parameters include config, version, win, db, pwd, user, and more.

Understanding CVE-2021-31537

This CVE identifies a security issue in SIS SIS-REWE Go before version 7.7 SP17 that exposes it to XSS attacks.

What is CVE-2021-31537?

The vulnerability in SIS SIS-REWE Go allows for XSS attacks through specific affected parameters in certain PHP files.

The Impact of CVE-2021-31537

Exploitation of this vulnerability could lead to malicious actors injecting and executing arbitrary scripts within the application, potentially compromising user data.

Technical Details of CVE-2021-31537

SIS SIS-REWE Go before 7.7 SP17 contains the following technical details:

Vulnerability Description

The XSS vulnerability occurs in the 'rewe/prod/web/index.php' and 'rewe/prod/web/rewe_go_check.php' PHP files, affecting parameters like config, version, win, db, pwd, user, and more.

Affected Systems and Versions

All versions of SIS SIS-REWE Go before 7.7 SP17 are impacted by this vulnerability.

Exploitation Mechanism

Unsanitized user input in the affected parameters can be exploited by an attacker to execute malicious scripts within the application.

Mitigation and Prevention

To address CVE-2021-31537, consider the following mitigation strategies:

Immediate Steps to Take

Apply the latest patch or update to SIS SIS-REWE Go to remediate the XSS vulnerability.
Sanitize and validate user input to prevent the execution of malicious scripts.

Long-Term Security Practices

Implement secure coding practices to sanitize input data thoroughly.
Regularly update and monitor the security of SIS SIS-REWE Go to prevent future vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply relevant patches or updates to secure your systems against known vulnerabilities.