- Install: When populating options, maybe_serialize instead of always serialize.
- Uploads: Check for and verify ZIP archives.
Merges [57388] and [57389] to the 4.9 branch.
Props costdev, peterwilsoncc, azaozz, tykoted, johnbillion, desrosj, afragen, jorbin, xknown.
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- Comments: Prevent users who can not see a post from seeing comments on it.
- Shortcodes: Restrict media shortcode ajax to certain type.
- REST API: Ensure no-cache headers are sent when methods are overridden.
- REST API: Limit `search_columns` for users without `list_users`.
- Prevent unintended behavior when certain objects are unserialized.
Merges [56834], [56835], [56836], [56838], and [56840] to the 4.9 branch.
Props xknown, jorbin, joehoyle, timothyblynjacobs, peterwilsoncc, ehtis, tykoted, antpb, rmccue.
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* XML-RPC: Improve error messages for unprivileged users.
* External Libraries: Disable deserialization in Requests_Utility_FilteredIterator
* Embeds: Disable embeds on deactivated Multisite sites.
* Coding standards: Modify escaping functions to avoid potential false positives.
* XML-RPC: Return error message if attachment ID is incorrect.
* Upgrade/install: Improve logic check when determining installation status.
* Meta: Sanitize meta key before checking protection status.
* Themes: Ensure that only privileged users can set a background image when a theme is using the deprecated custom background page.
Brings the changes from [49380,49382-49388] to the 4.9 branch.
Props xknown, zieladam, peterwilsoncc, whyisjake, desrosj, dd32.
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- Editor: Prevent HTML decoding on by setting the proper editor context.
- Formatting: Ensure that wp_validate_redirect() sanitizes a wider variety of characters.
- Themes: Ensure a broken theme name is returned properly.
- Administration: Add a new filter to extend set-screen-option.
Merges [47948-47951] to the 4.9 branch.
Props xknown, sstoqnov, vortfu, SergeyBiryukov, whyisjake.
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When Gutenberg is either not installed, or not activated, only show the callout to users with the `install_plugins` capability.
When Gutenberg is activated, expand that to include all users with the `edit_posts` capability.
4.9 branch commit.
Props pento.
Fixes#44680.
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* Introduce `try_gutenberg_learn_more_link` filter that allows hosts or site owners to change the link, to provide extra information about Gutenberg, specific to their service.
* Only display the "Install" buttons if we're able to directly write to disk to install the plugins.
* Make sure the "Dismiss" link works correctly.
Props pento, andrew.taylor, leemon.
Fixes#41316.
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To encourage folks to prepare for Gutenberg, this new Dashboard box allows site users to easily install and try the Gutenberg plugin now, or to install the Classic Editor plugin before WordPress 5.0 is released.
Props pento, melchoyce, joen, karmatosed, joemcgill, SergeyBiryukov, jorbin, bph, Clorith, afercia, chanthaboune, chrislema, kjellr, matveb, michelleweber.
Fixes#41316.
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The functions `send_confirmation_on_profile_email()`, `_wp_privacy_send_request_confirmation_notification()`, `_wp_privacy_send_erasure_fulfillment_notification()`, and `wp_send_user_request()` all include a title and URL indicating the current site. However, so far they have dealt with those values inconsistently, sometimes using the site values, other times using the network values if in a multisite. This changeset ensures that only the current site is taken into account in all cases and that special characters in the site name are consistently decoded.
Props subrataemfluence, desrosj.
Merges [43388], [43390], and [43435] to the 4.9 branch.
Fixes#44396.
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"Be more discrete." declared matt in [3155], and since then, "Silence is Golden" has been the calling card of placeholder index files. Historically, these have been php files, but [43012] changed that and added index.html files for privacy export generated folders.
The php silence files produce no visible content. This adds consistency with these new html files in that there will be no visible content. Silence will fall when the question is asked.
Merges [43446] to the 4.9 branch.
Fixes#44195.
Props audrasjb, rafsuntaskin, Ov3rfly, johnbillion, pento
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WordCamps are celebrations of the local WordPress Community and once a local one is scheduled, people in that community should know it is coming. This adjusts the WordPress Events in the dashboard widgets to always display a WordCamp, even if there are multiple Meetups happening first.
Props iandunn, metalandcoffee, warmlaundry, alejandroxlopez, jorbin.
Merges [42726], [42728], and [43356] to the 4.9 branch.
Fixes#41112.
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Previously, personal data exports were stored in `wp-content/uploads/exports`, which is generic enough that it's likely there are existing folders with that name, either created by plugins or manually by administrators. If that folder were reused by Core, then `wp_privacy_delete_old_export_files()` would delete all of the existing files inside it, which is almost certainly not what the site owner wants or expects.
To avoid that, the folder is being renamed to include a specific reference to Core, and a more verbose description of its purpose. With those factored in, it's very unlikely that there will be any conflicts with existing folders.
The `wp_privacy_exports_dir()` and `wp_privacy_exports_url()` functions were introduced to provide a canonical source for the location, and the `wp_privacy_exports_dir` and `wp_privacy_exports_url` filters were introduced to allow plugins to customize it.
Props johnjamesjacoby, allendav.
Merges [43284] to the 4.9 branch.
Fixes#44091.
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