WordPress Plugin Vulnerabilities

WP Stripe Checkout < 1.2.2.62 - Unauthenticated Forged Payment Completion via an Unset Webhook Signing Secret

Description

The plugin does not verify the Stripe webhook signature when no signing secret is configured, which is its default state, allowing unauthenticated attackers to forge a payment completion notification and create a completed order without paying.

Proof of Concept

Affects Plugins

Fixed in 1.2.2.62

References

Classification

Miscellaneous

Original Researcher
Naoki Kawahigashi
Submitter
Naoki Kawahigashi
Verified
Yes

Timeline

Publicly Published
2026-10-23 (about 3 days ago)
Added
2026-10-23 (about 2 days ago)
Last Updated
2026-10-23 (about 2 days ago)

Other