Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.Referenceshttps://bugs.debian.org/985405https://shibboleth.net/community/advisories/secadv_20210317.txthttps://issues.shibboleth.net/jira/browse/SSPCPP-922https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379https://www.debian.org/security/2021/dsa-4872
