CVE-2026-16990

Summary

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.

Affected Software

VendorProductVersion RangeStatus
UnknownPayment Button for PayPal0 <= 1.2.3.44affected

Weaknesses

  • CWE-602 Client-Side Enforcement of Server-Side Security

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References