[wp-trac] [WordPress Trac] #63866: Always sanitize the first parameter of wp_verify_nonce

WordPress Trac noreply at wordpress.org
Sat Aug 23 10:41:49 UTC 2025


#63866: Always sanitize the first parameter of wp_verify_nonce
-------------------------+------------------------------
 Reporter:  davidperez   |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Security     |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  2nd-opinion  |     Focuses:
-------------------------+------------------------------

Comment (by rishabhwp):

 Even simply replacing:
 {{{#!php
 $nonce = (string) $nonce;
 }}}

 with

 {{{#!php
 $nonce = sanitize_text_field( $nonce );
 }}}

 would work, as sanitize_text_field() internally performs the type casting
 (see [https://core.trac.wordpress.org/browser/tags/6.8.2/src/wp-
 includes/formatting.php#L5631 formatting.php#L5631]).

 I’m happy to create a patch if that sounds reasonable.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/63866#comment:3>
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