CVE-2026-77789

Stripe Payment Forms by WP Full Pay < 8.5.1 - Cross-Customer Subscription Modification via IDOR

The Stripe Payment Forms by WP Full Pay WordPress plugin before 8.5.1 does not verify that a subscription belongs to the customer bound to the requesting customer-portal session before acting on it, allowing a user with a confirmed portal session to cancel, reactivate or modify subscriptions belonging to other customers.

Affected

Stripe Payment Forms by WP Full Pay

CVSS v3.1 CNA

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS

0.25% chance of exploitation in the next 30 days, 16th percentile

Published

2026-08-26

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/b467131b-15e1-4d1e-9a6a-3ee6e8bd3722/

References

• CVE Record
• NVD entry