CVE-2026-87837 Wava Payment 0.3.1 - 0.3.9 - Unauthenticated Order Status Change via Payment Webhook
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-87837?
CVE-2026-87837 is a medium-severity vulnerability in Unknown Wava Payment Plugin, published on 21 Oct 2026.
Official description
The Wava Payment Plugin WordPress plugin before 0.3.10 does not verify the authenticity of incoming payment-provider notifications, nor restrict who may send them, allowing unauthenticated attackers to change the status of any WooCommerce order in the store, including marking an unpaid order as paid and completed, and cancelling other customers' orders.
In versions up to 0.3.7 the response additionally returns the affected order's billing details, disclosing customer names, addresses, email addresses and phone numbers to the same unauthenticated caller.
Weakness: CWE-862
Which versions are affected by CVE-2026-87837?
How do I fix CVE-2026-87837?
No fix has been published for CVE-2026-87837 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-87837 being exploited?
There is no known exploitation of CVE-2026-87837 in the wild and no public exploit code.
Sources
Also known as GHSA-8mpv-23rw-jfjx.