#17419: JSON template tag
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Reporter: lau | Owner: aaugustin
Type: New feature | Status: closed
Component: Template system | Version: master
Severity: Normal | Resolution: wontfix
Keywords: json template tag | Triage Stage: Accepted
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Changes (by aaugustin):
* status: new => closed
* resolution: => wontfix
Comment:
I've finally changed my mind on this ticket. There's a good reason why it
isn't recommended to just include raw JSON data in the HTML: it's
[https://www.owasp.org/index.php/XSS_(Cross_Site_Scripting)_Prevention_Cheat_Sheet
extremely hard to prevent XSS] unless you enforce other rules about the
context, and this isn't under the control of Django.
It's obviously possible to solve the problem for particular use cases with
controlled data. In such cases, the implementation only takes a few lines
(see the first patch on this ticket). However, it appears very hard to
provide a general `|json` filter that will be safe in all contexts.
If you think you have a working implementation, please submit it on the
mailing list. I'll expect strong evidence that it's secure :)
--
Ticket URL: <https://code.djangoproject.com/ticket/17419#comment:18>
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