The MultiPageValidator implementation in Apache Struts 1 1.1 through 1.3.10 allows remote attackers to bypass intended access restrictions via a modified page parameter.
jvn.jp/en/jp/JVN86448949/index.html
jvndb.jvn.jp/jvndb/JVNDB-2015-000042
www.debian.org/security/2016/dsa-3536
www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
en.osdn.jp/projects/terasoluna/wiki/StrutsPatch2-EN
nvd.nist.gov/vuln/detail/CVE-2015-0899
security.netapp.com/advisory/ntap-20180629-0006