CVE-2026-5356 Business logic in LatePoint – Calendar Booking Plugin for Appointments and Events
Unauthenticated attackers can bypass payment validation by reusing a succeeded Stripe PaymentIntent token to pay arbitrary amounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5356?
CVE-2026-5356 is a high-severity vulnerability in LatePoint – Calendar Booking Plugin for Appointments and Events, published on 8 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 5.4.0. This is due to the plugin's Stripe Connect payment processor accepting a client-supplied PaymentIntent ID. This makes it possible for unauthenticated attackers to pay an arbitrary amount by supplying a previously succeeded PaymentIntent token.
Weakness: CWE-862
Which versions are affected by CVE-2026-5356?
How do I fix CVE-2026-5356?
No fix has been published for CVE-2026-5356 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-5356 being exploited?
There is no known exploitation of CVE-2026-5356 in the wild and no public exploit code.
Sources
Also known as GHSA-jrp6-4xgv-3wr7.