SEPTEMBER 15, 2026
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Case File

CVE-2026-83537

MEDIUM · CVSS 5.3 EPSS 0.11%

Source: NVD + CISA KEV + EPSS · Published 2026-09-09 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The WP Express Checkout plugin for WordPress prior to version 2.5.0 is vulnerable as it fails to verify payment completion on the server side, enabling unauthenticated users to create fraudulent orders marked as paid. This could lead to financial losses and inventory issues for affected e-commerce sites. WordPress site administrators using this plugin should prioritize updating to the latest version to mitigate the risk of exploitation.

CVE
CVE-2026-83537
Severity
MEDIUM
CVSS
5.3
EPSS
0.11%
WordPress

Original NVD Description

The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying.