SB2017090728 - Multiple vulnerabilities in PortlandLabs concrete5

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2015-4721)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Multiple cross-site scripting (XSS) vulnerabilities in Concrete5 5.7.3.1.

2) SQL injection (CVE-ID: CVE-2015-4724)

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Remediation

Install update from vendor's website.

References

• http://hackerone.com/reports/59661
• http://hackerone.com/reports/59664