CVE-2026-87978 PUBLISHED

Paymob for WooCommerce < 4.1.14 - Unauthenticated Payment Bypass via Unverified Subscription Transaction Callback

Assigner: WPScan
Reserved: 09.09.2026 Published: 23.09.2026 Updated: 23.09.2026

The Paymob for WooCommerce WordPress plugin before 4.1.14 does not verify the request signature on one branch of its payment webhook, allowing unauthenticated attackers to mark arbitrary WooCommerce orders as paid without any payment.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Unknown
Product	Paymob for WooCommerce
Versions	Default: unaffected affected from 0 to 4.1.14 (excl.)

Credits

Charles Vosburgh finder
WPScan coordinator

References

https://wpscan.com/vulnerability/7eecf65a-3b85-405e-bbe2-893960c82ba7/

Problem Types

CWE-345 Insufficient Verification of Data Authenticity CWE