What is GHSA-rr9j-x6q5-q5pf?

GHSA-rr9j-x6q5-q5pf is a security advisory published by GitHub Security Advisories with Medium severity. The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment...

Which CVE IDs does GHSA-rr9j-x6q5-q5pf cover?

GHSA-rr9j-x6q5-q5pf covers the following CVE IDs: CVE-2026-83533. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rr9j-x6q5-q5pf?

GHSA-rr9j-x6q5-q5pf has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-rr9j-x6q5-q5pfMediumCVSS 5.3

The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment...

Vendor

GitHub Security Advisories

Published

September 2, 2026

Last Modified

September 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-83533 →

📋 Description

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83533
https://wpscan.com/vulnerability/8ffb76d6-fda5-4819-ab07-d8c086169110
https://github.com/advisories/GHSA-rr9j-x6q5-q5pf