CVE-2021-36545 : What You Need to Know

Cross Site Scripting (XSS) vulnerability in tpcms 3.2 allows remote attackers to run arbitrary code via the

cfg_copyright

or

cfg_tel

field on the Site Configuration page.

Understanding CVE-2021-36545

This section provides insights into the nature of the vulnerability and its potential impact.

What is CVE-2021-36545?

CVE-2021-36545 is a Cross Site Scripting (XSS) vulnerability found in tpcms 3.2 that enables malicious actors to execute arbitrary code by injecting scripts into specific fields.

The Impact of CVE-2021-36545

The impact of this vulnerability is severe as it allows remote attackers to manipulate the website and execute unauthorized actions, potentially compromising data or initiating harmful operations.

Technical Details of CVE-2021-36545

Delve deeper into the technical aspects of the vulnerability to understand its inner workings.

Vulnerability Description

The vulnerability arises from inadequate input validation in the

cfg_copyright

and

cfg_tel

fields, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

All instances of tpcms 3.2 are affected by this vulnerability, making them susceptible to exploitation.

Exploitation Mechanism

By leveraging the XSS vulnerability in the

cfg_copyright

or

cfg_tel

fields, remote attackers can inject and execute malicious code, posing a significant risk to system integrity.

Mitigation and Prevention

Learn about the steps to mitigate the risk and prevent exploitation of CVE-2021-36545.

Immediate Steps to Take

Immediately restrict access to the affected fields and sanitize user input to prevent script injection. Consider implementing security headers and conducting regular security audits.

Long-Term Security Practices

Establish secure coding practices, train personnel on identifying and preventing XSS vulnerabilities, and keep software up to date to mitigate future risks.

Patching and Updates

Apply the latest patches and updates released by the software vendor to address and remediate the CVE-2021-36545 vulnerability.