Maccms 10 allows remote attackers to execute arbitrary PHP code by entering this code in a template/default_pc/html/art Edit action. This occurs because template rendering uses an include operation on a cache file, which bypasses the prohibition of .php files as templates.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9829
Reference (s):
- https://github.com/guobaoyou/vul_environment/blob/master/maccms10_getshell/maccms10_getshell_en.md