CVE-2026-77794 PUBLISHED

RegistrationMagic 6.0.0.0 - 6.0.9.8 - Unauthenticated Payment Bypass via Zero Quantity

Assigner: WPScan
Reserved: 21.08.2026 Published: 02.09.2026 Updated: 02.09.2026

The RegistrationMagic WordPress plugin before 6.0.9.9 does not validate a client-supplied quantity multiplier when calculating the total price of a paid registration, allowing unauthenticated users to register without paying and obtain an activated account holding the role the form grants.

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	RegistrationMagic
Versions	Default: unaffected affected from 6.0.0.0 to 6.0.9.9 (excl.)

Credits

Vũ Quang Huy finder
WPScan coordinator

References

https://wpscan.com/vulnerability/c8cdc20f-d6ca-4e02-b8ab-68cd9362952f/

Problem Types

CWE-472 External Control of Assumed-Immutable Web Parameter CWE