Cross-Site Scripting in TYPO3 component Backend

Categories: TYPO3 CMS 123 Created by Nicole Cordes
It has been discovered, that TYPO3 is susceptible to Cross-Site Scripting.

Component Type: TYPO3 CMS

Release Date: February 23, 2016

Vulnerable subcomponent: Backend

Vulnerability Type: Cross-Site Scripting

Affected Versions: Versions 6.2.0 to 6.2.18

Severity: Low

Suggested CVSS v2.0: AV:N/AC:M/Au:S/C:P/I:P/A:P/E:P/RL:O/RC:C

CVE: not assigned yet

Problem Description: Failing to properly encode incoming data, the bookmark toolbar is susceptible to Cross-Site Scripting.

Solution: Update to TYPO3 version 6.2.19 that fixes the problem described.

Credits: Thanks to Filipe Reis who discovered and reported the issue.

General Advice: Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.

General Note: All security related code changes are tagged so that you can easily look them up on our review system.