CVE-2020-26669 : Exploit Details and Defense Strategies

A stored cross-site scripting (XSS) vulnerability in BigTree CMS 4.4.10 and earlier allows an authenticated attacker to execute arbitrary web scripts or HTML.

Understanding CVE-2020-26669

This CVE involves a stored XSS vulnerability in BigTree CMS versions 4.4.10 and earlier, enabling attackers to run malicious scripts through the page content.

What is CVE-2020-26669?

This CVE identifies a security flaw in BigTree CMS that permits authenticated attackers to inject and execute malicious web scripts or HTML code via the 'site/index.php/admin/pages/update' page.

The Impact of CVE-2020-26669

The vulnerability can lead to unauthorized script execution, potentially compromising the integrity and security of the affected system.

Technical Details of CVE-2020-26669

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

Vulnerability Description

The flaw allows authenticated attackers to insert and execute arbitrary web scripts or HTML code through the affected page in BigTree CMS.

Affected Systems and Versions

BigTree CMS versions 4.4.10 and earlier are impacted by this vulnerability.

Exploitation Mechanism

Attackers with authenticated access can exploit this vulnerability by injecting malicious scripts or HTML into the page content.

Mitigation and Prevention

Protecting systems from CVE-2020-26669 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update BigTree CMS to the latest version to patch the vulnerability.
Monitor and restrict user access to critical areas to prevent unauthorized script injections.

Long-Term Security Practices

Regularly audit and sanitize user inputs to prevent XSS attacks.
Educate users on safe browsing practices and the risks of executing untrusted scripts.

Patching and Updates

Apply security patches promptly to address known vulnerabilities and enhance system security.