Check Point Advisories

WordPress Overly Long Comment Cross-Site Scripting (CVE-2015-3440)

Check Point Reference: CPAI-2015-0506
Date Published: 28 Apr 2015
Severity: Critical
Last Updated: Tuesday 23 June, 2015
Source:
Industry Reference:CVE-2015-3440
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? WordPress 4.2 and earlier
Vulnerability Description A cross-site scripting vulnerability has been reported in WordPress comment mechanism. Successful exploitation of this vulnerability would allow remote attackers to inject an arbitrary web script into the affected system, and possibly gain root privileges.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the WordPress Overly Long Comment Cross-Site Scripting protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  WordPress Enforcement Protection.
Attack Information:  WordPress Overly Long Comment Cross-Site Scripting

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