CVE-2017-15948 : Security Advisory and Response

Perch Content Management System version 3.0.3 has a vulnerability that allows for unrestricted file upload, leading to Cross-Site Scripting (XSS) attacks when a Limited Admin account is used in conjunction with specific fields.

Understanding CVE-2017-15948

This CVE identifies a security flaw in Perch Content Management System version 3.0.3 that can be exploited for XSS attacks.

What is CVE-2017-15948?

The vulnerability in Perch CMS 3.0.3 enables attackers to upload files without restrictions, potentially leading to XSS attacks by leveraging certain fields.

The Impact of CVE-2017-15948

Exploiting this vulnerability can result in unauthorized file uploads and XSS attacks, compromising the security and integrity of the system.

Technical Details of CVE-2017-15948

Perch CMS 3.0.3 vulnerability details and affected systems.

Vulnerability Description

The flaw in Perch CMS 3.0.3 allows for unrestricted file uploads, leading to XSS attacks when specific fields are manipulated.

Affected Systems and Versions

Product: Perch Content Management System
Version: 3.0.3

Exploitation Mechanism

Attackers can exploit this vulnerability by using a Limited Admin account in combination with the Asset Title field and the Select File field.

Mitigation and Prevention

Protecting systems from CVE-2017-15948 and enhancing security measures.

Immediate Steps to Take

Update Perch CMS to a patched version that addresses the vulnerability.
Monitor and restrict file uploads to prevent unauthorized content.

Long-Term Security Practices

Regularly audit and review security configurations and access controls.
Educate users on safe practices to prevent XSS attacks and unauthorized file uploads.

Patching and Updates

Apply security patches and updates provided by Perch CMS to fix the vulnerability and enhance system security.