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- Optimized/Customized/Catregorize -> Optimised/Customised/Categorise - Github -> GitHub (80% were spelt with capital H, this is the way GitHub spells itself) - GitPod -> Gitpod (most were without the capital P, Gitpod's site does not use capital P) - Remove duplicate words (to to, the the) - De-coupled -> decoupled - implementors -> implementers (all other references used 'site implementers' so just aligning with the common case) - Fix a/an usage in one case - Fix one comment usage of ok, replace with OK
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1.5 KiB
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23 lines
1.5 KiB
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============================
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Wagtail 2.12.5 release notes
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============================
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*June 17, 2021*
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.. contents::
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:local:
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:depth: 1
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What's new
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==========
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CVE-2021-32681: Improper escaping of HTML ('Cross-site Scripting') in Wagtail StreamField blocks
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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This release addresses a cross-site scripting (XSS) vulnerability in StreamField. When the ``{% include_block %}`` template tag is used to output the value of a plain-text StreamField block (``CharBlock``, ``TextBlock`` or a similar user-defined block derived from ``FieldBlock``), and that block does not specify a template for rendering, the tag output is not properly escaped as HTML. This could allow users to insert arbitrary HTML or scripting. This vulnerability is only exploitable by users with the ability to author StreamField content (i.e. users with 'editor' access to the Wagtail admin).
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Site implementers who wish to retain the existing behaviour of allowing editors to insert HTML content in these blocks (and are willing to accept the risk of untrusted editors inserting arbitrary code) may disable the escaping by surrounding the relevant ``{% include_block %}`` tag in ``{% autoescape off %}...{% endautoescape %}``.
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Many thanks to Karen Tracey for reporting this issue. For further details, please see `the CVE-2021-32681 security advisory <https://github.com/wagtail/wagtail/security/advisories/GHSA-xfrw-hxr5-ghqf>`_.
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