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.
Published: 2026-08-12
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 13 Aug 2026 02:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20

Wed, 12 Aug 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 12 Aug 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title Payment Button for PayPal <= 1.2.3.44 - Unauthenticated Payment Price Manipulation
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-12T12:10:20.775Z

Reserved: 2026-07-24T08:50:20.798Z

Link: CVE-2026-16990

cve-icon Vulnrichment

Updated: 2026-08-12T12:10:13.143Z

cve-icon NVD

Status : Received

Published: 2026-08-12T12:17:47.210

Modified: 2026-08-12T13:17:20.017

Link: CVE-2026-16990

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T02:00:13Z

Weaknesses