CVE-2021-41951 Explained : Impact and Mitigation

ResourceSpace before 9.6 rev 18290 is affected by a reflected Cross-Site Scripting vulnerability in plugins/wordpress_sso/pages/index.php. Attackers may execute malicious scripts if victims visit crafted URLs.

Understanding CVE-2021-41951

ResourceSpace before 9.6 rev 18290 is susceptible to a significant Cross-Site Scripting vulnerability through the wordpress_user parameter, enabling attackers to execute malicious scripts in victim browsers upon visiting specific URLs.

What is CVE-2021-41951?

The vulnerability in ResourceSpace allows for the execution of malicious JavaScript by exploiting a reflected Cross-Site Scripting issue in the wordpress_user parameter, potentially compromising user browser security.

The Impact of CVE-2021-41951

Exploitation of this vulnerability can lead to unauthorized execution of script content within the user's browser, enabling various attacks like session hijacking, data theft, or unauthorized actions on behalf of the user.

Technical Details of CVE-2021-41951

ResourceSpace's security flaw involves the following technical aspects:

Vulnerability Description

The vulnerability stems from an unvalidated wordpress_user parameter, permitting malicious JavaScript execution in the victim's browser environment.

Affected Systems and Versions

Product: ResourceSpace
Vendor: Not applicable
Versions: All versions before 9.6 rev 18290 are affected

Exploitation Mechanism

The vulnerability is exploited through crafted URLs that manipulate the wordpress_user parameter, enabling the injection of malicious JavaScript code.

Mitigation and Prevention

To secure systems against CVE-2021-41951, follow these steps:

Immediate Steps to Take

Update ResourceSpace to version 9.6 rev 18290 or later to address the vulnerability
Educate users on exercising caution while clicking on URLs

Long-Term Security Practices

Implement strict input validation to prevent XSS attacks
Regularly monitor and patch security vulnerabilities in applications

Patching and Updates

Apply security patches promptly to mitigate new vulnerabilities and enhance system security