The consentAdmin module in SimpleSAMLphp through 1.14.15 is vulnerable to a Cross-Site Scripting attack, allowing an attacker to craft links that could execute arbitrary JavaScript code on the victim's web browser.
https://www.debian.org/security/2018/dsa-4127
https://simplesamlphp.org/security/201709-01
https://lists.debian.org/debian-lts-announce/2018/02/msg00008.html