[wp-trac] [WordPress Trac] #33972: static use of PHPMailer class results in stale state between calls to wp_mail()

WordPress Trac noreply at wordpress.org
Sun Jul 13 21:15:04 UTC 2025


#33972: static use of PHPMailer class results in stale state between calls to
wp_mail()
---------------------------------------+---------------------
 Reporter:  codebuddy                  |       Owner:  (none)
     Type:  defect (bug)               |      Status:  new
 Priority:  normal                     |   Milestone:
Component:  Mail                       |     Version:  4.3
 Severity:  critical                   |  Resolution:
 Keywords:  needs-patch has-test-info  |     Focuses:
---------------------------------------+---------------------
Changes (by SirLouen):

 * severity:  normal => critical


Comment:

 Now I've realized that after reading this #59670 duplicate, it's obviously
 affecting all `Content-Transfer-Encoding` and as suggested in this report,
 it might lead into serious problem like SPAM tagging. Increasing severity
 to `critical`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33972#comment:8>
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