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WebHosting4U Secure Card Gateway for ePay Paycenter (Piraeus Bank)

Name: WebHosting4U Secure Card Gateway for ePay Paycenter (Piraeus Bank)
Author: webhosting4ugr

Independent WooCommerce gateway by WebHosting4U for the ePay Paycenter (Piraeus Bank / Euronet Merchant Services) Redirection service.

WebHosting4U Secure Card Gateway for ePay Paycenter (Piraeu… ranks #21,465 among WordPress.org plugins with 40+ active installations, is #3,494 of 14,124 in the E-commerce category, and was last updated Aug 29, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1.4

v1.0.37 Current Version v1.0.37

Updated 2 months ago Last Update on 29 Aug, 2026

Refreshed 1 week ago Last Refreshed on

#3,494 of 14,124 in E-commerce Top 50% by installs

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Rank

#21,465

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Active Installs

40+

+33.3%

KW Avg Position

0.5 worse

Downloads

+2 today

Support Resolved

100%

— No change

Rating

Review 0 out of 5

0 (0 reviews)

Next Milestone 50

Total Progress 70%

40+ 50+

1,455

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Active Installs 0,000,000+

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Peak 0,000,000

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Total Threads

Resolved

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100%

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Plugin Details

Version: 1.0.37
Last Updated: Aug 29, 2026
Requires WP: 6.3+
Tested Up To: 7.1.4
PHP Version: 7.4 or higher
Author: webhosting4ugr

Support & Rating

Rating: ☆ ☆ ☆ ☆ ☆ 0
Reviews: 0
Support Threads: 1
Resolved: 100%

Keywords

credit card Greece payment gateway piraeus bank woocommerce

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Frequently Asked Questions

Common questions about WebHosting4U Secure Card Gateway for ePay Paycenter (Piraeus Bank)

Visa, Mastercard, Maestro, and (subject to agreement with Euronet Merchant Services) Diners / Discover and American Express.

Yes. When IRIS is enabled on your merchant agreement by Euronet Merchant Services, customers can choose between card and IRIS directly on the bank's hosted payment page — the plugin does not need a separate setting to "turn IRIS on" because the choice is made server-side at the bank, not in your checkout. The plugin recognises IRIS responses (CardType=15 or PaymentMethod=IRIS in the bank's HMAC-verified callback), shows IRIS-tailored messages for the IRIS-only decline scenarios (user

etc.) and records the payment channel on the order so card and IRIS transactions are distinguishable in your reports. Per Piraeus Bank policy, IRIS payments do not support installments (the full amount is charged) and refunds are not supported for IRIS transactions (ResponseCode 9167). These restrictions are enforced by the bank, not by the plugin.

No. Cardholder data is entered exclusively on the Paycenter secure payment page and never transits your server. The plugin stores only non-sensitive metadata such as approval code, response code and SupportReferenceID for reconciliation.

The order is set to On hold and a notice is logged. Verification is mandatory before an order is marked paid; a mismatching HashKey is treated as a potentially forged callback.

The plugin transmits only the minimum data required for the transaction (order total, currency, merchant reference, and 3-D Secure auxiliary fields such as billing email and address). No analytics or telemetry is collected.

Shared-hosting firewalls sometimes flag Paycenter's decline-callback payload because it contains patterns (dash-only TransactionDateTime, empty HashKey on declined transactions, Greek ResponseDescription text) that overlap with default attack signatures. Symptoms: callbacks for failed transactions never arrive and orders get stuck in pending payment. The plugin's settings page includes a Test callback URL diagnostic that POSTs a realistic declined-transaction payload to your own callback URL via loopback and reports whether a host WAF intercepts it. Run it once before going live. If a WAF is intercepting, ask your hosting provider to whitelist the URL /?wc-api=epay_paycenter (callback-URL scope only — never disable rules server-wide). CDN-level WAFs (Cloudflare, Sucuri, Akamai) must be configured separately at the CDN — the in-admin diagnostic only exercises the origin server's WAF.

The literal -1 comes from WooCommerce core's WC_API handler. For this plugin it usually means one of three things: The callback URL in the Euronet portal does not match the plugin's URL. Use exactly https://<your-site>/?wc-api=epay_paycenter (no trailing slash, no extra path). Copy it from the gateway settings page where the plugin displays the canonical form. A host WAF intercepted the callback before it reached PHP (see the WAF FAQ above). The plugin handled the callback but a downstream redirect target suppressed the notice. Since 1.0.14 decline messages survive cross-origin redirect cookie stripping, so this is rare on current versions. Check WooCommerce → Status → Logs for epay-paycenter-* entries around the transaction timestamp. The Callback envelope INFO line is written on every callback that reaches PHP, so its presence or absence distinguishes WAF-level blocks from plugin-level rejects.

Please report security bugs found in the source code of the Secure Card Gateway for ePay Paycenter (Piraeus Bank) plugin through the Patchstack Vulnerability Disclosure Program. The Patchstack team will assist you with verification, CVE assignment, and notify the developers of this plugin.