What is GHSA-4h7v-8qrm-x2jj?

GHSA-4h7v-8qrm-x2jj is a security advisory published by GitHub Security Advisories with Medium severity. The Payment Button for PayPal WordPress plugin through 1.2.3.44 does not enforce the merchant...

Which CVE IDs does GHSA-4h7v-8qrm-x2jj cover?

GHSA-4h7v-8qrm-x2jj covers the following CVE IDs: CVE-2026-16990. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4h7v-8qrm-x2jj?

GHSA-4h7v-8qrm-x2jj has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-4h7v-8qrm-x2jjMediumCVSS 5.3

The Payment Button for PayPal WordPress plugin through 1.2.3.44 does not enforce the merchant...

Vendor

GitHub Security Advisories

Published

August 12, 2026

Last Modified

August 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-16990 →

📋 Description

The Payment Button for PayPal WordPress plugin through 1.2.3.44 does not enforce the merchant-configured price server-side and trusts a client-supplied payment amount, allowing unauthenticated attackers to create a real PayPal order against the merchant for an arbitrary lower amount.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16990
https://wpscan.com/vulnerability/97c08603-c407-43b2-ab2c-e39f85e89ebe
https://github.com/advisories/GHSA-4h7v-8qrm-x2jj