CVE-2026-14236: Unknown Contact Form 7

Medium severity, CVSS 4.7. EPSS: 0.3% chance of exploitation in the next 30 days.

The Contact Form 7 WordPress plugin before 2.5 does not validate the host of a user-supplied return URL before using it as the success and cancel redirect targets of a Stripe checkout, allowing an unauthenticated attacker to redirect a victim, via a crafted link, to an arbitrary external site after the checkout flow.

Affected products

• Unknown Contact Form 7: before 2.5 (fixed in 2.5)

Published 2026-07-27. Last modified 2026-07-27.