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FIX: Prevent js injection through markdown fields

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FreneticScribbler
2020-02-10 00:05:07 +00:00
parent 68799ed0ef
commit 8ee8a357ba
1 changed files with 6 additions and 3 deletions
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9
RIGS/templatetags/markdown_tags.py
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@@ -14,11 +14,14 @@ def markdown_filter(text, input_format='html'):
if text is None:
return text
html = markdown.markdown(text, extensions=['markdown.extensions.nl2br'])
# Convert format to RML
soup = BeautifulSoup(html, "html.parser")
# Prevent code injection
for script in soup('script'):
script.string = "Your script shall not pass!"
if input_format == 'html':
return mark_safe('<div class="markdown">' + html + '</div>')
return mark_safe('<div class="markdown">' + str(soup) + '</div>')
elif input_format == 'rml':
# Convert format to RML
soup = BeautifulSoup(html, "html.parser")
# Image aren't supported so remove them
for img in soup('img'):