The theme editor in Bolt before 2.2.5 does not check the file extension when renaming files, which allows remote authenticated users to execute arbitrary code by renaming a crafted file and then directly accessing it.
- http://packetstormsecurity.com/files/133539/CMS-Bolt-2.2.4-File-Upload.html
- http://seclists.org/fulldisclosure/2015/Aug/66
- https://www.exploit-db.com/exploits/38196/
No PoCs found on GitHub currently.