CVE-2021-25984 : Exploit Details and Defense Strategies

Factor (App Framework & Headless CMS) forum plugin, versions v1.3.3 to v1.8.30, allows unauthenticated attackers to execute malicious JavaScript code and steal session cookies.

Understanding CVE-2021-25984

Stored Cross-Site Scripting (XSS) vulnerability in FactorJS forum plugin's 'post reply' function.

What is CVE-2021-25984?

In FactorJS forum plugin, versions v1.3.3 to v1.8.30, unauthenticated attackers can inject malicious JavaScript in the 'post reply' section to perform XSS attacks.

The Impact of CVE-2021-25984

The vulnerability allows attackers to execute arbitrary scripts, potentially leading to session hijacking and unauthorized access.

Technical Details of CVE-2021-25984

Details on the vulnerability, affected systems, and how exploitation can occur.

Vulnerability Description

Stored XSS vulnerability in FactorJS plugin's 'post reply' section allows attackers to run malicious scripts.

Affected Systems and Versions

FactorJS versions 1.3.3 to 1.8.30 are affected by the stored XSS vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting malicious scripts in the 'post reply' section, posing a risk of session cookie theft.

Mitigation and Prevention

Ways to address and prevent exploitation of CVE-2021-25984.

Immediate Steps to Take

As no fix is provided, users are urged to exercise caution and monitor activities related to the 'post reply' function.

Long-Term Security Practices

Developers should sanitize user inputs, implement strict content security policies, and conduct regular security audits.

Patching and Updates

Monitor official channels for updates and patches to secure the forum plugin from XSS attacks.