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Fixes #9296: Improve Markdown link sanitization

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This commit is contained in:
jeremystretch
2022-05-12 10:41:29 -04:00
parent c4c93ee346
commit 37903776fd
2 changed files with 3 additions and 2 deletions
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1
docs/release-notes/version-3.2.md
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@ -18,6 +18,7 @@
* [#9190](https://github.com/netbox-community/netbox/issues/9190) - Prevent exception when attempting to instantiate module components which already exist on the parent device
* [#9267](https://github.com/netbox-community/netbox/issues/9267) - Remove invalid entry in IP address role choices
* [#9296](https://github.com/netbox-community/netbox/issues/9296) - Improve Markdown link sanitization
* [#9306](https://github.com/netbox-community/netbox/issues/9306) - Include VC master interfaces when selecting a LAG/bridge for a VC member interface
* [#9311](https://github.com/netbox-community/netbox/issues/9311) - Permit creating contact assignment without a priority via the REST API
* [#9313](https://github.com/netbox-community/netbox/issues/9313) - Remove HTML code from CSV output of many-to-many relationships

4
netbox/utilities/templatetags/builtins/filters.py
View File

@ -150,11 +150,11 @@ def render_markdown(value):
value = strip_tags(value)
# Sanitize Markdown links
pattern = fr'\[([^\]]+)\]\((?!({schemes})).*:(.+)\)'
pattern = fr'\[([^\]]+)\]\(\s*(?!({schemes})).*:(.+)\)'
value = re.sub(pattern, '[\\1](\\3)', value, flags=re.IGNORECASE)
# Sanitize Markdown reference links
pattern = fr'\[(.+)\]:\s*(?!({schemes}))\w*:(.+)'
pattern = fr'\[([^\]]+)\]:\s*(?!({schemes}))\w*:(.+)'
value = re.sub(pattern, '[\\1]: \\3', value, flags=re.IGNORECASE)
# Render Markdown