A vulnerability was found in OWASP AntiSamy up to 1.6.3 and classified as problematic. Affected by this issue is some unknown functionality of the component javascript: URL Handler. Upgrading to version 1.6.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.