WordPress security changelog
CRITICAL CVE-2026-57677 Deferred

Novalnet Payment Gateway for WooCommerce: Code execution

Novalnet Payment Gateway for WooCommerce is affected by code execution. The vulnerable path is reachable without authentication. Successful exploitation can run attacker-controlled code in the WordPress hosting account. The published affected range is n/a through 12.10.3.

CVE / CNA score 9.8 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Novalnet Payment Gateway for WooCommerce
Plugin slug
woocommerce-novalnet-gateway
Affected
n/a through 12.10.3
Safe version
12.10.4
Published
Jul 02, 2026
Weakness
CWE-502 — Deserialization of Untrusted Data

This CVE was published Jul 02, 2026 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Novalnet Payment Gateway for WooCommerce to 12.10.4 or later, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Unauthenticated PHP Object Injection in Novalnet Payment Gateway for WooCommerce <= 12.10.3 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources