CVE-2021-30140 : What You Need to Know
Learn about CVE-2021-30140, a critical XSS vulnerability in LiquidFiles 3.4.15, allowing attackers to execute malicious code via stored XSS. Find out the impact, technical details, and mitigation steps.
LiquidFiles 3.4.15 has a stored XSS vulnerability through the 'send email' functionality, allowing execution of malicious HTML/JavaScript content when sending a file without an extension to an administrator. Learn more about the impact, technical details, and mitigation steps.
Understanding CVE-2021-30140
This section provides detailed insights into the critical vulnerability found in LiquidFiles 3.4.15.
What is CVE-2021-30140?
LiquidFiles 3.4.15 is susceptible to stored Cross-Site Scripting (XSS) through the 'send email' feature, enabling attackers to execute malicious code by sending files with no extension containing harmful content.
The Impact of CVE-2021-30140
The vulnerability poses a medium risk with a CVSS base score of 5.4, allowing attackers with low privileges to impact confidentiality and integrity, requiring user interaction for exploitation.
Technical Details of CVE-2021-30140
Explore the technical specifics of the vulnerability to better understand its implications.
Vulnerability Description
The flaw in LiquidFiles 3.4.15 allows threat actors to execute XSS attacks by sending files with disguised malicious content, leading to unauthorized code execution.
Affected Systems and Versions
LiquidFiles version 3.4.15 is confirmed to be impacted by this vulnerability, emphasizing the importance of upgrading to version 3.5 to address the issue.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the 'send email' functionality in conjunction with files containing HTML/JavaScript code, enabling them to execute payloads upon interaction.
Mitigation and Prevention
Discover the crucial steps to mitigate the risk posed by CVE-2021-30140 and prevent potential security breaches.
Immediate Steps to Take
It is recommended to update LiquidFiles to version 3.5 to eliminate the vulnerability and secure the system against potential XSS attacks.
Long-Term Security Practices
Implementing secure coding practices and conducting regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security patches and updates released by LiquidFiles to ensure that the system is protected against known vulnerabilities.