CVE-2020-21088 : Security Advisory and Response
Learn about CVE-2020-21088, a Cross Site Scripting (XSS) flaw in X2engine X2CRM v7.1 and older versions, enabling attackers to inject malicious scripts and access sensitive data. Find mitigation steps here.
Cross Site Scripting (XSS) vulnerability in X2engine X2CRM v7.1 and older allows attackers to inject arbitrary web scripts via specific fields, potentially leading to sensitive data exposure.
Understanding CVE-2020-21088
This CVE involves a security issue in X2engine X2CRM versions 7.1 and earlier that could be exploited by remote attackers to execute XSS attacks.
What is CVE-2020-21088?
CVE-2020-21088 is a Cross Site Scripting (XSS) vulnerability found in X2engine X2CRM v7.1 and older versions. By injecting malicious scripts into certain fields, attackers can trick users into executing unintended actions.
The Impact of CVE-2020-21088
The vulnerability allows remote attackers to obtain sensitive information by injecting arbitrary web scripts or HTML via specific fields in the X2CRM application.
Technical Details of CVE-2020-21088
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
X2engine X2CRM v7.1 and older versions are susceptible to Cross Site Scripting (XSS) attacks, enabling threat actors to execute malicious scripts through the "First Name" and "Last Name" fields on the "/index.php/contacts/create page".
Affected Systems and Versions
- Product: X2engine X2CRM
- Versions affected: v7.1 and older
Exploitation Mechanism
The vulnerability can be exploited by injecting arbitrary web scripts or HTML code into the designated fields, leading to the execution of malicious actions.
Mitigation and Prevention
Protecting systems from CVE-2020-21088 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Implement input validation mechanisms to sanitize user inputs effectively.
- Regularly monitor and audit user inputs for suspicious activities.
- Apply security patches or updates provided by the vendor promptly.
Long-Term Security Practices
- Conduct regular security training for developers and users on XSS prevention techniques.
- Employ Content Security Policy (CSP) to mitigate XSS risks.
- Utilize web application firewalls to filter and block malicious traffic.
Patching and Updates
Ensure that the X2engine X2CRM application is updated to the latest version that includes fixes for the XSS vulnerability.