CVE-2020-8777 : Vulnerability Insights and Analysis

Alfresco Enterprise before 5.2.7 and Alfresco Community before 6.2.0 (rb65251d6-b368) has a cross-site scripting (XSS) vulnerability via a user profile photo.

Understanding CVE-2020-8777

This CVE identifies a security issue in Alfresco Enterprise and Community versions.

What is CVE-2020-8777?

CVE-2020-8777 is an XSS vulnerability in Alfresco software that allows attackers to inject malicious scripts into user profile photos.

The Impact of CVE-2020-8777

The vulnerability can be exploited by inserting a SCRIPT element in an SVG document, potentially leading to unauthorized script execution and data theft.

Technical Details of CVE-2020-8777

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue affects Alfresco Enterprise versions prior to 5.2.7 and Alfresco Community versions before 6.2.0, enabling XSS attacks through user profile images.

Affected Systems and Versions

Alfresco Enterprise < 5.2.7
Alfresco Community < 6.2.0

Exploitation Mechanism

Attackers can exploit this vulnerability by embedding malicious scripts within SVG documents used for user profile photos.

Mitigation and Prevention

Protecting systems from CVE-2020-8777 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Alfresco Enterprise to version 5.2.7 or later.
Upgrade Alfresco Community to version 6.2.0 or newer.
Avoid uploading SVG images with potentially harmful scripts.

Long-Term Security Practices

Regularly monitor and audit user-uploaded content for malicious scripts.
Educate users on safe image uploading practices to prevent XSS vulnerabilities.

Patching and Updates

Apply security patches provided by Alfresco promptly to address known vulnerabilities.