Description
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Remediation
References
Related Vulnerabilities
MySQL CVE-2016-0606 Vulnerability (CVE-2016-0606)
PHP Other Vulnerability (CVE-2003-0166)
WordPress Plugin WP Post Rating Security Bypass (2.4.6)
WordPress Plugin Basic Dev Tools Multiple Cross-Site Scripting Vulnerabilities (1.4.1)
MediaWiki Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2015-6728)