[wp-trac] [WordPress Trac] #61489: 6.1.7 and 6.2.6 Updates Cause Critical Error

[WordPress Trac]

#61489: 6.1.7 and 6.2.6 Updates Cause Critical Error
-------------------------------+------------------------------
 Reporter:  mping001           |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Upgrade/Install    |     Version:  6.1
 Severity:  critical           |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
-------------------------------+------------------------------

Comment (by benoitchantre):

 We have some client websites that were concerned by this issue. I have
 found out that bad a patch was applied by Patchman. On the website I
 looked at (version 6.2.6), the following lines were added, but
 _wp_footnotes_kses_init only exist since version 6.3.2


 {{{
 // Footnotes Block.
 add_action( 'init', '_wp_footnotes_kses_init' );
 add_action( 'set_current_user', '_wp_footnotes_kses_init' );
 add_filter( 'force_filtered_html_on_import',
 '_wp_footnotes_force_filtered_html_on_import_filter', 999 );
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/61489#comment:44>
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