CVE-2026-83533

5.3 mediumEPSS 0.2%

Medium (5.3). EPSS 0.2% chance of exploitation in the next 30 days.

The WP Express Checkout WordPress plugin before 2.4.9 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.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWE: CWE-345
Published: 2026-09-02
Modified: 2026-09-03
Record from: the NVD, synced 2026-10-19

References

https://wpscan.com/vulnerability/8ffb76d6-fda5-4819-ab07-d8c086169110/

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