consentAdmin: Fix cross-site scripting.
consentAdmin: Fix cross-site scripting.

Can be exploited if the site is configured to fetch metadata from an
untrusted source.
vivekrajenderan/simplesamlphp,tectronics/simplesamlphp,vivekrajenderan/simplesamlphp,tectronics/simplesamlphp,tectronics/simplesamlphp,tectronics/simplesamlphp,vivekrajenderan/simplesamlphp,vivekrajenderan/simplesamlphp,vivekrajenderan/simplesamlphp,tectronics/simplesamlphp