CVE-2021-34638 : Security Advisory and Response
Learn about CVE-2021-34638, an Authenticated Directory Traversal vulnerability in WordPress Download Manager <= 3.1.24, allowing for sensitive data access and XSS attacks.
WordPress Download Manager version 3.1.24 and prior versions are impacted by an Authenticated Directory Traversal vulnerability. This CVE allows authenticated users to access sensitive configuration file information and enables XSS attacks.
Understanding CVE-2021-34638
This section will provide insights into the nature of the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-34638?
CVE-2021-34638 refers to an Authenticated Directory Traversal vulnerability in WordPress Download Manager version 3.1.24 and earlier. It enables authenticated users to obtain sensitive configuration file details and allows Author+ users to execute XSS attacks.
The Impact of CVE-2021-34638
The vulnerability poses a medium-severity risk with a base CVSS score of 6.5. It has a high impact on confidentiality, potentially exposing critical information to unauthorized users.
Technical Details of CVE-2021-34638
Let's delve into the specifics of the vulnerability, including how it can be exploited and which systems are affected.
Vulnerability Description
The flaw allows Contributor+ users to retrieve sensitive configuration files and Author+ users to conduct XSS attacks by manipulating the Download Manager's template settings.
Affected Systems and Versions
WordPress Download Manager versions equal to or less than 3.1.24 are vulnerable to this exploit.
Exploitation Mechanism
By configuring the Download template to contain sensitive data or an uploaded JavaScript with an image extension, attackers can perform unauthorized actions.
Mitigation and Prevention
Discover the immediate steps and long-term security practices essential in safeguarding systems against CVE-2021-34638.
Immediate Steps to Take
Users should update WordPress Download Manager to a secure version, restrict access to sensitive files, and monitor for unauthorized activities.
Long-Term Security Practices
Implement robust access controls, conduct regular security audits, and educate users on safe configuration practices.
Patching and Updates
Regularly apply security patches released by the vendor to address known vulnerabilities and enhance the platform's resilience.