CVE-2019-19736 Explained : Impact and Mitigation

MFScripts YetiShare versions 3.5.2 to 4.5.3 are vulnerable to cross-site scripting due to missing HttpOnly flag on session cookies.

Understanding CVE-2019-19736

This CVE identifies a security vulnerability in MFScripts YetiShare versions 3.5.2 to 4.5.3 that could allow attackers to exploit cross-site scripting.

What is CVE-2019-19736?

MFScripts YetiShare 3.5.2 to 4.5.3 fail to set the HttpOnly flag on session cookies, making them accessible to scripts and potentially exploitable by attackers through cross-site scripting.

The Impact of CVE-2019-19736

Attackers can potentially access session cookies through cross-site scripting, compromising user data and sessions.

Technical Details of CVE-2019-19736

MFScripts YetiShare versions 3.5.2 to 4.5.3 are susceptible to a specific vulnerability.

Vulnerability Description

The vulnerability arises from the absence of the HttpOnly flag on session cookies, allowing scripts to access these cookies, posing a risk of unauthorized access.

Affected Systems and Versions

Product: MFScripts YetiShare
Versions: 3.5.2 to 4.5.3

Exploitation Mechanism

Attackers can exploit this vulnerability through cross-site scripting to access session cookies and potentially hijack user sessions.

Mitigation and Prevention

To address CVE-2019-19736, follow these security measures:

Immediate Steps to Take

Implement HttpOnly flag on session cookies to prevent script access.
Regularly monitor and audit for any suspicious activities related to session handling.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Apply patches or updates provided by MFScripts to fix the vulnerability and enhance security measures.