What is GHSA-89f9-r4mq-rxxm?

GHSA-89f9-r4mq-rxxm is a security advisory published by GitHub Security Advisories with Medium severity. The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment...

Which CVE IDs does GHSA-89f9-r4mq-rxxm cover?

GHSA-89f9-r4mq-rxxm covers the following CVE IDs: CVE-2026-83537. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-89f9-r4mq-rxxm?

GHSA-89f9-r4mq-rxxm has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-89f9-r4mq-rxxmMediumCVSS 5.3

The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-83537 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83537
https://wpscan.com/vulnerability/02b39e4f-181d-4573-9175-bf5a6d71e531
https://github.com/advisories/GHSA-89f9-r4mq-rxxm