Vulnerability · Published Oct 28, 2026 · Assigned by WPScan

CVE-2026-103313BitPay Gateway for WooCommerce <= 4.1.3 - Unauthenticated Payment Bypass via Payment Return Handler

Medium 5.3

In plain English

A medium-severity insufficient verification of data authenticity in BitPay Gateway for WooCommerce from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.2%top 94.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The BitPay Gateway for WooCommerce WordPress plugin through 4.1.3 does not bind the payment provider's transaction confirmation to the order it completes, nor verify the confirmed amount, allowing an unauthenticated attacker who holds a single genuine low-value transaction to mark arbitrary higher-value orders as paid.

Affected products (as reported)

Vendor	Product	Versions
Unknown	BitPay Gateway for WooCommerce	0 – through 4.1.3

Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

https://wpscan.com/vulnerability/feaebdbf-cfa2-49cf-a8be-d2f22b0ad9c9/ exploit, vdb-entry, technical-description