Backport of security release #898
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- Query: Improve sanitization within `WP_Tax_Query`. - Query: Improve sanitization within `WP_Meta_Query`. - Upgrade/Install: Avoid using `unserialize()` unnecessarily. - Formatting: Correctly encode ASCII characters in post slugs. Merges https://core.trac.wordpress.org/log/?revs=52454-52457 to the 4.9 branch. WP:Props vortfu, dd32, ehtis, zieladam, whyisjake, xknown, peterwilsoncc, desrosj, iandunn. Conflicts: - src/wp-includes/formatting.php --- Merges https://core.trac.wordpress.org/changeset/52474 / WordPress/wordpress-develop@25331bc640 to ClassicPress.
mattyrob
added
the
flag: high priority
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I have tested this on local install. Nothing is broken. |
striebwj
approved these changes
Jan 13, 2022
|
This pull request has been mentioned on ClassicPress Forums. There might be relevant details there: https://forums.classicpress.net/t/classicpress-1-4-0-release-notes/3929/1 |
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Description
See: https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/
Motivation and context
This is a backport of an upstream set of security fixes affecting WP back to version 3.7.
The patch applied to the 4.9 trunk has been backported here.
How has this been tested?
Upstream backport with visual comparison only.
Screenshots
N/A
Types of changes