An issue in Halo 2.25.4 allows a remote attacker to execute arbitrary code via the PluginEndpoint.java, installFromUri method, and DefaultPluginApplicationContextFactory components
https://github.com/halo-dev/halo/blob/main/README.md
https://gist.github.com/unpredictable21/d392c26986e81a95676f2a370ecb272b