CVE-2021-25982 : Vulnerability Insights and Analysis

FactorJS, specifically its forum plugin versions 1.3.5 to 1.8.30, is susceptible to reflected Cross-Site Scripting (XSS) attacks. This vulnerability allows unauthenticated attackers to execute malicious JavaScript code via the 'search' parameter in the URL, potentially leading to session cookie theft.

Understanding CVE-2021-25982

This section delves into the details of the FactorJS vulnerability CVE-2021-25982.

What is CVE-2021-25982?

CVE-2021-25982 refers to a reflected Cross-Site Scripting (XSS) vulnerability in FactorJS' forum plugin versions 1.3.5 to 1.8.30. The flaw enables attackers to inject and execute malicious scripts using the 'search' parameter in the URL.

The Impact of CVE-2021-25982

The impact of this vulnerability is rated as MEDIUM, with a CVSS base score of 6.1. It poses a risk of unauthorized access, potential data theft, and session hijacking through the execution of arbitrary JavaScript code.

Technical Details of CVE-2021-25982

Explore the technical specifics of CVE-2021-25982 for a comprehensive understanding.

Vulnerability Description

The vulnerability arises in FactorJS' forum plugin due to inadequate input validation in versions 1.3.5 to 1.8.30, allowing threat actors to introduce and execute malicious scripts via the 'search' parameter in the URL.

Affected Systems and Versions

FactorJS versions 1.3.5 to 1.8.30 are confirmed to be affected by this reflected Cross-Site Scripting (XSS) vulnerability.

Exploitation Mechanism

Exploiting this vulnerability involves crafting a malicious URL with a payload in the 'search' parameter, thereby tricking the application into running the script within the user's session context.

Mitigation and Prevention

Learn how to mitigate the risks posed by CVE-2021-25982 and secure your systems against such vulnerabilities.

Immediate Steps to Take

As no fix is currently available, follow best practices such as input validation, output encoding, and proper sanitization of user-generated content. Consider limiting access to sensitive functionalities.

Long-Term Security Practices

Implement regular security assessments, stay informed about patches or updates, and educate developers on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Monitor official sources for a security patch or updated version from FactorJS that addresses the CVE-2021-25982 vulnerability.