CVE-2021-27969 : Exploit Details and Defense Strategies

Dolphin CMS 7.4.2 is vulnerable to stored XSS via the Page Builder "width" parameter.

Understanding CVE-2021-27969

This article provides insights into the CVE-2021-27969 vulnerability found in Dolphin CMS 7.4.2.

What is CVE-2021-27969?

The CVE-2021-27969 vulnerability pertains to stored XSS (Cross-Site Scripting) through the Page Builder "width" parameter in Dolphin CMS 7.4.2.

The Impact of CVE-2021-27969

This vulnerability could allow an attacker to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2021-27969

Below are the technical details of the CVE-2021-27969 vulnerability:

Vulnerability Description

Dolphin CMS 7.4.2 is susceptible to stored XSS attacks via the Page Builder's "width" parameter, enabling threat actors to inject and execute unauthorized scripts.

Affected Systems and Versions

The affected version is Dolphin CMS 7.4.2.

Exploitation Mechanism

Exploiting this vulnerability involves injecting malicious scripts through the "width" parameter of the Page Builder in Dolphin CMS 7.4.2.

Mitigation and Prevention

To safeguard your systems from CVE-2021-27969, consider the following measures:

Immediate Steps to Take

Update Dolphin CMS to a secure version that addresses the XSS vulnerability.
Validate and sanitize user input to prevent script injection attacks.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and mitigate vulnerabilities.
Educate developers and users on best practices for secure coding and browsing habits.

Patching and Updates

Stay informed about security patches and updates released by Dolphin CMS to ensure protection against known vulnerabilities.