WordPress Plugin “Simple Image Sizes” vulnerable to cross-site scripting

Overview

WordPress Plugin “Simple Image Sizes” provided by Rahe contains a cross-site scripting vulnerability.

Description

WordPress Plugin “Simple Image Sizes” provided by Rahe contains a stored cross-site scripting vulnerability (CWE-79).

Impact

An arbitrary script may be executed on the web browser of the user who is logging in to the product with the administrative privilege and accessing the settings screen.

Solution

Update the plugin
Update the plugin according to the information provided by the developer.
The developer has released the following version that addresses this vulnerability.

• Simple Image Sizes 3.2.4

Credit

Ibuki Sato of Nippon Engineering College of Hachioji reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.