galusben edited a comment on issue #62: add unsafe method 
java.security.ProtectionDomain.getClassLoader
URL: https://github.com/apache/freemarker/pull/62#issuecomment-572925085
 
 
   I know it is not simple to address, but it adds a quick fix to something 
many are exposed to. I agree that the trust level of template authors shall be 
as the level of source code writers, but from the file 
src/main/resources/freemarker/ext/beans/unsafeMethods.properties it seems that 
there are some blacklisted methods.
   
   I understand that this list is not serious protection, but it will help some 
people that have made the mistake of trusting someone they shouldn't with a 
template.
   
   Since this blog is out there, I would strongly recommend to add this method 
to the blacklist. There is zero cost in doing that, and the benefit can be 
saving someone's ass (even tough this someone did not know what they were 
doing). 
   
   @ddekany 
   
   

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