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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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from bandit.core.test_properties import *
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def use_of_mako_templates(context):
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# check type just to be safe
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if type(context.call_function_name_qual) == str:
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qualname_list = context.call_function_name_qual.split('.')
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func = qualname_list[-1]
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if 'mako' in qualname_list and func == 'Template':
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# unlike Jinja2, mako does not have a template wide autoescape
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# feature and thus each variable must be carefully sanitized.
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severity=bandit.MEDIUM,
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confidence=bandit.HIGH,
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text="Mako templates allow HTML/JS rendering by default and "
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"are inherently open to XSS attacks. Ensure variables "
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"in all templates are properly sanitized via the 'n', "
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"'h' or 'x' flags (depending on context). For example, "
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"to HTML escape the variable 'data' do ${ data |h }."
added
removed
bandit/plugins/mako_templates.py
