Recently reported issues and releases

For older versions view our Archives

All ProductCart Versions

  • Critical Windows Bug Fix - 03.20.2017
    • For Versions:
    • v4.1+
    • v5.x

    This is a service patch to fix a bug in the March 14th Windows Server update. The patch is available for ProductCart (all versions) via your control panel's "check for updates" link. If you are not currently enrolled in the Support & Updates Plan and are experiencing any login issues, we encourage you to enroll here. If you choose not to enroll in the Support & Updates Plan, you can still download the fix for a $75 fee by purchasing the following Item from our store.
  • FedEx Shipping Label Patch - 06.16.2016
    • For Versions:
    • v5.x

    This is a service patch to fix an issue creating shipping labels, which was caused by recent changes to FedEx webservices. The patch is available for ProductCart v5 (all versions) via your control panel's "check for updates" link.
  • Chrome Hover Patch - 05.04.2016
    • For Versions:
    • v5.x

    This is a service patch to fix a known issue in the Chrome browser related to hover menus and the "quick view" window. The patch is available for ProductCart v5 (all versions) via your control panel's "check for updates" link.
  • USPS Refresh 2016 - 01.15.2016
    • For Versions:
    • v4.7
    • v5.x

    USPS API Update for Retail Ground. The patch is available for ProductCart v4.7 and v5 (all versions) via your control panel's "check for updates" link.
  • Critical Security Patch - All Versions - 08.20.2015
    • For Versions:
    • v4.1+
    • v5.x

    All developers and store owners should download and install the security patch as soon as possible. The patch is freely available for ProductCart v4.1+ and v5 (all versions) via your control panel's "check for updates" link. ProductCart v3 was released over 8 years ago and is considered deprecated. Any store running v3 is recommended to update their software as soon as possible to make it current with modern day web standards.
  • Critical Security Patch - All Versions - 07.31.2015
    • For Versions:
    • v4.1+
    • v5.x

    This patch has been consolidated into the 'Critical Security Patch - All Versions - 08.20.2015' and is no longer available or required.
  • USPS Patch for Priority Mail International - 06.03.2015
    • For Versions:
    • v4.7
    • v5.04
    • v5.05

    USPS disabled Priority Mail for IntRate API on May 31, 2015. This patch adds support for IntRatev2 API. Log in to your ProductCart Admin Panel and "Check for Updates" to get more information and download the patch.
  • PayPal Payment Gateways Update - 03.14.2014
    • For Versions:
    • v4.1
    • v4.5
    • v4.6
    • v4.7

    There is a new update for our PayPal payment gateways that is now available. Log in to your ProductCart Admin Panel and "Check for Updates" to get more information and download the patch.
  • Critical Security Patch for 4.7 - 02.12.2014
    • For Versions:
    • v4.7 Standard & v4.7 BTO

    All developers and store owners with a version 4.7 BTO or Standard cart should download and install the security patch as soon as possible. Log in to your ProductCart Admin Panel and "Check for Updates" to get more information and download the patch.
  • PayPal Bill Me Later® Update - 01.27.2014
    • For Versions:
    • v4.1
    • v4.5
    • v4.6
    • v4.7

    Adds the PayPal Bill Me Later® button onto the view cart page and upgrades the PayPal Express Checkout API to the latest version. Apply this update and enable PayPal Express Checkout if you would like to offer Bill Me Later® to your customers. Download
  • USPS Web Services API Update - 01.24.2014
    • For Versions:
    • v4.1
    • v4.5
    • v4.6
    • v4.7

    This patch addresses updates that USPS pushed out from their January 2014 USPS Web Services API update. This patch needs to be applied if you are using USPS. To download, please log in to your ProductCart Admin Panel and "Check for Updates" from the Help menu.
  • PayPal + FedEx Web Services + Payment Gateways Patch - Updated 12.09.2013
    • For Versions:
    • v4.1
    • v4.5
    • v4.6
    • v4.7

    This patch adds a collection of fixes for the PayPal payment gateways (v4.7 only), FedEx Web Services, USPS, and several other payment gateways. This patch is critical for all ProductCart customers that are currently using PayPal or FedEx Web Services in their store. Also note: you may also need to run the database upgrade scripts included as detailed in the included README file if you are using any of the PayPal payment gateways. Download fix
  • SECURITY VULNERABILITY - BTO ONLY - 10.08.2013
    • For Versions:
    • v4.1
    • v4.5
    • v4.6
    • v4.7

    This patch addresses a potential issue for BTO (Build-to-Order) carts. Because of the nature of the security vulnerability, log into your store's control panel and click the 'Check for Updates' link for more details and how to update your store. This patch is critical for all ProductCart BTO sites.
  • Mojozoom fix for IE10 - 06.19.2013
    • For Versions:
    • v4.5
    • v4.6
    • v4.7

    This patch fixes bugs with Mojozoom and Internet Explorer 10. Download fix
  • Sage Payment Solutions Gateway - 06.19.2013
    • For Versions:
    • v4.7

    Sage Payment Solutions was inadvertently removed from v4.7 original builds. You can download the files to fix this issue here. Download fix
  • TransFirst's Transaction Express Gateway - 06.19.2013
    • For Versions:
    • v4.7

    This patch contains a missing file in v4.7 builds as well as a fix for displaying declined card error messages. Download fix
  • AJAX Tooltip fix for IE10 - 04.05.2013
    • For Versions:
    • v4.5
    • v4.6

    The AJAX Tootip (shown when users mouse-over a Product) does not render properly under IE10. You can download a patch here and upload the file to your "pc" directory. Download fix
  • FedEx Web Services bug fix & update #2 - 07.19.2012
    • For Versions:
    • v4.1
    • v4.5
    • v4.6
    • v4.7

    If you have updated your FedEx Web Services files or installed v4.6 before 07.19.2012 then you will need to download this patch. If you updated your files before 06.08.2012 then you must first download the "FedEx Web Services bug fix & update #1" first and apply that patch before applying this patch. This patch addresses a bug in the Control Panel Tracking file as well as a bug in the storefront where not all available shipping rates were being shown. Download fix
  • Cloning BTO Configuration Bug - 07.17.2012
    • For Versions:
    • v4.1
    • v4.5
    • v4.6

    This patch fixes a bug that occurs when attempting to clone a BTO product's configuration from one BTO product to one or more BTO products. Download fix
  • FedEx Web Services bug fix & update #1 - Reposted 06.08.2012
    • For Versions:
    • v4.1
    • v4.5
    • v4.6

    This file is intended only for those stores that have enabled FedEx Web Services. This is an update from the original patch posted on 05.10.2012. If you have applied the full update after 06.08.2012, you will not need to apply this patch. This is not the full file set for FedEx Web Services update. To obtain the full file set use the "Check for Updates" link from your ProductCart Control Panel. This patch fixes a bug in the label request that causes an XML schema failed error. It also includes a few feature updates which can be reviewed in the Read Me file within the zip file. Download fix
  • Store Front Button Upload bug fixes - 06.08.2012
    • For Versions:
    • v4.1
    • v4.5
    • v4.6

    This patch addresses a few issues that have been discovered in versions 4.1 through 4.6. A bug where the newer buttons are not uploading properly and/or are reversed in order. Also, the storefront in v4.5 and above will sometimes show an older button that is no longer in use. This patch addresses all discovered issues since v4.1. Download fix
  • UPS Real-time rates bug - 04.16.2012
    • For Versions:
    • v4.0
    • v4.1
    • v4.5
    • v4.5 SP1

    In some cases, where the store has added handling fees for UPS and the discounted rate for a service doesn't exist, the rate would be displayed for that service would equal to the handling fee only. This fix will validate the discounted rate to ensure it exists and if it does not, it will use the standard rate. Download fix
  • Saving order during checkout bug - 02.16.2012
    • For Versions:
    • v4.5
    • v4.5 SP1

    In some instances the order would not be saved correctly during checkout and in other instances, when offline credit cards were being used, the credit card details were no longer accessible on the order details page. Download fix
  • USPS no First-Class rates returned issue - 01.24.2012
    • For Versions:
    • v4.0
    • v4.1
    • v4.5

    A change in the USPS API caused select shipping rates to no longer be returned. Download fix
  • Charts/Sales Report Bug issue - 12.20.2011
    • For Versions:
    • v4.5

    This patch fixes a bug related to the new charts and related sales reports in v4.5. Download fix
  • Cross Selling Display issue - 11.29.2011
    • For Versions:
    • v4.5a

    This file fixes an issue with related cross-selling items no longer displaying on the view product page when running v4.5 with Apparel Add-on. Download fix
  • Google Product Search data feed generator update - Reposted 10.05.2011
    • For Versions:
    • v4.0
    • v4.1

    Google Product Search has introduced and will soon start enforcing new requirements for submitting a data feed. See this blog post for more information. Reposted with the addition of the "availability" attribute. Download updated feature Download patch
  • New Security Vulnerability related to the one announced on 08.18 - 08.28.2011
    An important patch was released to address a recently discovered vulnerability. There have been reports of successful exploits, so this patch should be applied immediately. Learn more and download the patch >>.
  • Login + PayPal Security Vulnerabilities - 08.24.2011 - Updated on 09.16.2011
    • For Versions:
    • v3.11
    • v3.12
    • v3.50
    • v3.51
    • v4.0
    • v4.1

    A patch was released to address two separate vulnerabilities that were recently found. There are no reports of successful exploits. This is a small patch and can be applied in just a few moments. Updated 09.16.2011 to address a JavaScript error in v3.X builds. Download fix
  • Security Vulnerability - 08.18.2011
    An important patch was released to address a recently discovered vulnerability. There have been reports of successful exploits, so this patch should be applied immediately. Learn more and download the patch >>.

    NOTE: the quickest way to find out if there has been a successful hack is to connect to your store via FTP and navigate to the "pc" folder. Once there, sort by DESCENDING DATE and look for any files that start with "gw" near the top of the list. Are there any? If so, you are likely a victim of this hack. Read the PDF document included in the patch for all the details on what to do next. Even if you don't see any modified files in the "pc" folder, you should read the PDF and update the store files as indicated.


  • Modify Category Issues - 07.05.2011
    • For Versions:
    • v4.5

    These files fix a couple of issues that were recently uncovered that can occur when attempting to modify an existing category. Download fix
  • Security Vulnerability - Apparel Add-on - 06.01.2011 - Updated on 06.22.2011
    • For Versions:
    • v4.1 SP1
    • v4.1 SP2

    A security vulnerability that affects the Apparel Add-on was recently discovered by the McAfee Secure service. It only applies to stores that use the Apparel Add-on. Updated on 06.22.2011 to fix a bug in the patched v4.1 SP1 and v4.1 SP2 file. Download fix
  • Security Vulnerability - Control Panel - 06.11.2011 - Updated on 06.15.2011
    • For Versions:
    • v4.0
    • v4.1

    A security vulnerability that affects the ProductCart Control Panel was recently discovered by the McAfee Secure service. Updated on 06.15 to resolve an issue with CP messages. Download fix
  • Google Product Search data feed generator update - Reposted 06.14.2011
    • For Versions:
    • v4.0
    • v4.1

    Google Product Search has introduced and will soon start enforcing new requirements for submitting a data feed. See this blog post for more information. Reposted with v4 fix. Download updated feature
  • Security Vulnerability - Mobile Commerce Add-on - 06.10.2011
    • For Versions:
    • v1

    A security vulnerability that affects the Mobile Commerce Add-on was recently discovered by the McAfee Secure service. It only applies to stores that use the Mobile Commerce Add-on. Download fix
  • PayPal IPN issue (orders remain incomplete) - 03.22.2011
    • For Versions:
    • v3.51
    • v4.0
    • v4.1

    This patch resolves a sporadic issue where an order paid for via PayPal remains Incomplete in ProductCart due to an Instant Payment Notification (IPN) problem. Download fix
  • IE 9 Compatibility Issue - 03.11.2011
    • For Versions:
    • v4.0
    • v4.1

    This patch resolves a compatibility issue between IE 9 Release Candidate and jQuery, which resulted in problems in the storefront, including One Page Checkout. Download fix
  • USPS no rates returned issue - UPDATED - 01.26.2011
    • For Versions:
    • v3.11
    • v3.51
    • v4.0
    • v4.1

    A change in the USPS API caused shipping rates to no longer be returned. Updated with fix for Google Checkout. Updated with fix for Mobile Commerce Add-on. Download fix
  • Mobile Commerce Add-on Redirect Issue - 01.04.2011
    • For Versions:
    • v1

    Incorrect redirect of Google's crawler. This fix is only for users of the Mobile Commerce Add-on. Download fix
  • Cross-site Scripting Vulnerability- UPDATED: 10.09.2010
    A cross-site scripting vulnerability was recently reported. This patch updates a previously released patch for the same issue. Some of the code was rewritten for additional security. Download fix

ProductCart v4.1

  • Make sure to review the patches/updates listed above under "All ProductCart Versions".
  • FedEx Web Services v4.1 - 11.18.11
    These files are for adding the FedEx Web Services integration for Shipping Rates to ProductCart v4.1. Click here to learn more. .... Download fix
  • Service Pack 2 - 05.20.11
    A Service Pack has just been released for ProductCart v4.1 SP1. Service Pack 2 combines the patches listed below. It does not include patches issued after 5.20.11. Learn more
  • Image Magnifier Issues with Internet Explorer 9 - 05.31.11
    This small fix addresses some issues that affected the Image Magnifier (MojoZoom) when using Internet Explorer v9. Not needed unless you are using that feature. Included in Service Pack 2. Download fix
  • Store Map feature updates - 01.18.11
    This fix addresses an issue with some Store Maps not working properly with a store's design (conflicts with code in header.asp & footer.asp files). It also includes some feature improvements. Download fix
  • One Page Checkout issue when "City" contains an apostrophe - 01.14.11
    This one-file fix addresses an issue with One Page Checkout returning an error when the city name entered by the customer contains an apostrophe (rare). Download fix
  • Restore Shopping Cart Error - 01.13.11
    This one-file fix addresses a rare issue showing when returning to the same store: an error is shown when ProductCart attempts to restore the shopping cart content. See the ReadMe details. Download fix
  • Image Magnifier Issues with Google Chrome - 01.13.11
    This small fix addresses some issues that affected the Image Magnifier in ProductCart v4.1. Not needed unless you are using that feature. Download fix
  • BTO Only: Incorrect configuration price - 01.13.11
    Product configuration price recalculated incorrectly when using the BACK browser button from the shopping cart page, in some scenarios. Contact NetSource Commerce for more information on this issue.
  • Bing Shopping Data Feed Generator (BETA)
    Create a data feed for the new Bing Shopping marketplace. This replaces the previous Bing cashback data feed creator. See instructions and download beta files
  • Canonical URL - Removal of category ID
    Since products can belong to more than one category, the Canonical URL for the product details page should not contain the Category ID. See ReadMe for details. Download fix
  • Service Pack 1 released on 08.12.10
    This is a small maintenance release. Learn more
  • ProductCart v4.1 released
    ProductCart v4.1 was released on 07.20.2010. See what's new and update to v4.1

ProductCart v4

  • Make sure to review the patches/updates listed above under "All ProductCart Versions".
  • We recommend updating to ProductCart v4.1, which includes all fixes released since ProductCart v4.0 was initially made available. It also adds several new features and improvements.

ProductCart v3.51

Official releases

You can update your store by using the "Check for Updates" feature in your ProductCart Control Panel, unless otherwise noted. Your ProductCart license must be eligible for updates.

ProductCart v5.04 Update

  • v5.04 Update for existing ProductCart users was released on 1.07.15. Use the "Check for updates" link in your Control Panel to download the update.

ProductCart v5.03 Update

  • v5.03 Update for existing ProductCart users was released on 9.23.14. Use the "Check for updates" link in your Control Panel to download the update.

ProductCart v5.02 Update

  • v5.02 Update for existing ProductCart users was released on 8.06.14. Use the "Check for updates" link in your Control Panel to download the update.

ProductCart v5.01 Update

  • v5.01 Update for existing ProductCart users was released on 6.24.14. Use the "Check for updates" link in your Control Panel to download the update.

QuickBooks Sync for v5

  • The QuickBooks Sync Add-on is ready for v5. Current users can log into their ProductCart Admin Panel and "Check for Updates".

Apparel Add-on for v5

  • The Apparel Add-on for v5 is here! Current users, 'Check for Updates' via your control panel!

ProductCart v5 Update

  • v5 Update for existing ProductCart users was released on 5.15.14. Use the "Check for updates" link in your Control Panel to download the update.

ProductCart v4.1 Update

  • v4.1 Update for existing ProductCart users was released on 07.20.10. Use the "Check for updates" link in your Control Panel to download the update.

ProductCart v4 Upgrade

  • v4 Upgrade for existing ProductCart users was released on 10.27.09. Use the "Check for updates" link in your Control Panel to download the upgrade.

ProductCart eBay Add-on Update

  • On 08.19.09 we released an update for the eBay Add-on. It was sent to all eBay Add-on users on file. If you use the eBay Add-on, but did not receive the update message, please contact us.

ProductCart v3.51 Update and Patch

  • Updating to v3.51
    You can update to v3.51 from either v3.5 or from v3.11. The latter is a consolidated update that allows you to jump all the way to the very latest version from a much older version.
  • v3.51 Patch
    The v3.51 Patch is a small maintenance update, with minimal overlap with add-on's and other file sets. You may or may not need it: learn more about the 3.51 Patch and whether or not you need it.

Other ProductCart v3 Updates

  • 11.06.08 - ProductCart v3.5 Update
  • 11.20.07 - ProductCart v3.11 Update
  • 09.18.07 - ProductCart v3.1 patch for early users of v3.1
  • 09.18.07 - ProductCart v3.1 Update
  • 05.27.07 - Google Analytics integration
  • 03.05.07 - ProductCart v3.052 (a BETA release - not available via "Check for Updates"). It's mostly focused on a new integration with PayPal.
  • 02.19.07 - ProductCart v3.051 Update
  • Archive >>

ProductCart v2.76

  • Upgrade to v3 Now Available
    The largest ProductCart upgrade we have ever worked on.
  • Archive >>