CVE-2020-11036 Explained : Impact and Mitigation

In GLPI before version 9.4.6, multiple stored XSS vulnerabilities exist. These vulnerabilities allow for malicious script injection, potentially leading to unauthorized access and data theft.

Understanding CVE-2020-11036

GLPI is susceptible to stored XSS attacks, enabling threat actors to inject and execute malicious scripts within the application.

What is CVE-2020-11036?

Stored XSS vulnerabilities in GLPI before version 9.4.6 allow attackers to inject malicious scripts, posing a significant security risk.

The Impact of CVE-2020-11036

The vulnerabilities can be exploited by users with administrator privileges or external parties, leading to unauthorized script execution and potential data compromise.

Technical Details of CVE-2020-11036

GLPI's vulnerability to stored XSS attacks exposes systems to potential security breaches.

Vulnerability Description

GLPI is vulnerable to stored XSS in the comments section of items in the Knowledge base, allowing for script injection and execution.

Affected Systems and Versions

Product: GLPI
Vendor: glpi-project
Versions Affected: < 9.4.6

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Scope: Changed
Confidentiality Impact: High
Integrity Impact: Low
Availability Impact: None
CVSS Base Score: 7.6 (High)

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2020-11036.

Immediate Steps to Take

Update GLPI to version 9.4.6 or later to eliminate the vulnerabilities.
Educate users on safe browsing practices to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit user-generated content for malicious scripts.
Implement web application firewalls to detect and block XSS attempts.

Patching and Updates

Stay informed about security advisories and promptly apply patches to address known vulnerabilities.