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

WordPress Trac noreply at wordpress.org
Sat Aug 23 10:29:13 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:
-------------------------+------------------------------
Changes (by rollybueno):

 * keywords:   => 2nd-opinion


Comment:

 Personally, I don't think the `$nonce` param needs sanitizing. There's no
 input/output on `wp_verify_nonce()`, no database saving and no actual
 output display. It simply uses the `$nonce` value inside `hash_equals`,
 which should returns boolean, but we use 1 and 2. There's no possible
 security threat in that matter.

 However, if this is what the Plugins Team prefers on the submission
 guidelines, then we can add it after the string type casting.

 You can see the function here:
 https://core.trac.wordpress.org/browser/tags/6.8.2/src/wp-
 includes/pluggable.php#L2369

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/63866#comment:2>
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