CVE-2021-27190 : What You Need to Know

A Stored Cross Site Scripting (XSS) Vulnerability was discovered in PEEL SHOPPING 9.3.0 and 9.4.0, allowing attackers to inject malicious JavaScript code.

Understanding CVE-2021-27190

This CVE highlights a security issue in the widely used PEEL SHOPPING versions 9.3.0 and 9.4.0, potentially exposing users to malicious attacks.

What is CVE-2021-27190?

It is a Stored Cross Site Scripting (XSS) Vulnerability in PEEL SHOPPING 9.3.0 and 9.4.0, enabling attackers to execute malicious scripts through user input.

The Impact of CVE-2021-27190

This vulnerability can be exploited by attackers to steal sensitive information such as cookies, redirect users to malicious websites, or conduct further attacks.

Technical Details of CVE-2021-27190

The following technical aspects shed light on the CVE:

Vulnerability Description

The flaw lies in the echo of user-supplied input, which includes a polyglot payload echoed back in JavaScript code within the HTML response.

Affected Systems and Versions

PEEL SHOPPING versions 9.3.0 and 9.4.0 are affected by this vulnerability.

Exploitation Mechanism

Attackers can input JavaScript code through user input fields, which is then reflected back within JavaScript code on the HTML response, allowing malicious actions.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-27190, the following steps can be taken:

Immediate Steps to Take

Disable user input fields or sanitize input data to prevent malicious script injection.
Update PEEL SHOPPING to a patched version that addresses this vulnerability.

Long-Term Security Practices

Regularly scan web applications for vulnerabilities, including XSS weaknesses.
Train developers on secure coding practices to avoid common vulnerabilities like XSS.

Patching and Updates

Ensure that PEEL SHOPPING is kept up to date with the latest security patches to protect against known vulnerabilities.