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WordPress NAB Transact WooCommerce 2.1.0 Payment Bypass Vulnerability
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | WordPress WooCommerce Plugin Authentication Bypass (CVE-2020-11497) | 16 Nov 202000:00 | – | checkpoint_advisories |
 | CVE-2020-11497 | 26 Aug 202018:25 | – | cve |
 | CVE-2020-11497 | 26 Aug 202018:25 | – | cvelist |
 | EUVD-2020-3850 | 7 Oct 202500:30 | – | euvd |
 | CVE-2020-11497 | 26 Aug 202019:15 | – | nvd |
 | CVE-2020-11497 | 26 Aug 202019:15 | – | osv |
 | WordPress NAB Transact WooCommerce 2.1.0 Payment Bypass | 20 Aug 202000:00 | – | packetstorm |
 | WordPress WooCommerce - NAB Transact plugin <= 2.1.1 - Payment Bypass vulnerability | 21 Aug 202000:00 | – | patchstack |
 | Authentication flaw | 26 Aug 202019:15 | – | prion |
 | WooCommerce - NAB Transact < 2.1.2 - Payment Bypass | 21 Aug 202000:00 | – | wpexploit |
10
Title: Payment bypass
Product: WordPress NAB Transact WooCommerce Plugin
Vendor Homepage: https://woocommerce.com/products/nab-transact-direct-post/
Vulnerable Version: 2.1.0
Fixed Version: 2.1.2
CVE Number: CVE-2020-11497
Author: Jack Misiura from The Missing Link
Website: https://www.themissinglink.com.au
Timeline:
2020-03-27 Disclosed to Vendor
2020-03-29 Vendor publishes first fix
2020-04-04 Vendor publishes second fix
2020-08-17 Fix confirmed
2020-08-20 Publication
1. Vulnerability Description
The WordPress NAB Transact WooCommerce plugin does not validate the origin of payment processor status requests, allowing orders to be marked as fully paid by issuing a specially crafted GET request during the ordering workflow.
2. PoC
When presented with a payment screen, instead of submitting payment information, issue the following GET request to the site:
https://example-site.com/?wc-api=WC_Gateway_Nab_Direct_Post&order=XXXX&key= wc_order_YYYYY&is_crn=0&txnid=ZZZZZ&refid=WooCommerceXXXX&rescode=00&restext=Approved
Where XXXX is the order number and YYYY is the order code which have been present before during the workflow. If these are not presented, submit invalid payment information and get a declined message. Now brute-force the order number which is sequential. Doing so will mark any existing pending orders as fully paid.
3. Solution
The vendor provides an updated version (2.1.2) which should be installed immediately.
# 0day.today [2020-08-23] #Data
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22 Aug 2020 00:00Current
0.1Low risk
Vulners AI Score0.1
EPSS0.00097