It has been discovered that the extension "Code Highlighter" (mh_code_highlighter) is susceptible to Insecure Unserialize and SQL Injection.
Release Date: November 14, 2016
Third party extension. This extension is not a part of the TYPO3 default installation.
version 1.2.10 and below
Insecure Unserialize, SQL Injection
Suggested CVSS v2.0: AV:N/AC:M/Au:S/C:P/I:P/A:P/E:F/RL:O/RC:C
The extension unserializes strings from untrusted external source. Furthermore it fails to properly sanitize incoming data and is vulnerable to SQL Injection. For both vulnerabilities a backend user with access to the extension module is needed.
An updated version 1.2.11 is available from the TYPO3 Extension Manager and at https://typo3.org/extensions/repository/download/mh_code_highlighter/1.2.11/t3x/
. Users of the extension are advised to update the extension as soon as possible.
: Credits go to Marc Hörsken who discovered and reported the vulnerability.
Follow the recommendations that are given in the TYPO3 Security Guide
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