Cross Site-Scripting in extension "Smallads" (ke_smallads)
December 19, 2017
Author: Nicole Cordes
Keywords: TYPO3, security, typo3-ext-sa-2017-015, extension, ke_smallads, Cross-Site Scripting
It has been discovered that the extension "Smallads" (ke_smallads) is susceptible to Cross-Site Scripting.
Release Date: December 18, 2017
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: version 1.3.2 and below
Vulnerability Type: Cross-Site Scripting
CVE: not assigned yet
Problem Description: The extension fails to properly encode user input for output in HTML context.
Solution: An updated version 1.3.3 is available from the TYPO3 Extension Manager and at https://extensions.typo3.org/extension/download/ke_smallads/1.3.3/zip/. Users of the extension are advised to update the extension as soon as possible.
Credits: Credits go to the security team member Torben Hansen who discovered and reported the vulnerability.