CVE-2020-35305 : What You Need to Know

Cross site scripting (XSS) vulnerability in gollum versions 5.0 to 5.1.2 via the filename parameter in the 'New Page' dialog.

Understanding CVE-2020-35305

This CVE involves a security issue in gollum versions 5.0 to 5.1.2 that allows for cross site scripting (XSS) attacks.

What is CVE-2020-35305?

CVE-2020-35305 is a vulnerability that enables malicious actors to execute cross site scripting attacks through the filename parameter within the 'New Page' dialog in gollum versions 5.0 to 5.1.2.

The Impact of CVE-2020-35305

This vulnerability can lead to unauthorized access to sensitive information, manipulation of content, and potential data theft on affected systems.

Technical Details of CVE-2020-35305

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from improper input validation in the filename parameter of the 'New Page' dialog in gollum versions 5.0 to 5.1.2, allowing for XSS attacks.

Affected Systems and Versions

Affected versions: 5.0 to 5.1.2
Systems running gollum within this version range are vulnerable to exploitation.

Exploitation Mechanism

Attackers can craft malicious scripts and inject them through the filename parameter, leading to the execution of arbitrary code in the context of the user's browser.

Mitigation and Prevention

Protecting systems from CVE-2020-35305 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update gollum to version 5.1.2 or later to mitigate the vulnerability.
Avoid clicking on suspicious links or opening attachments from unknown sources to prevent XSS attacks.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs effectively.
Regularly monitor and audit web applications for any signs of XSS vulnerabilities.

Patching and Updates

Apply security patches promptly and keep software up to date to address known vulnerabilities like CVE-2020-35305.