CVE-2026-103300 Eurobank WooCommerce Payment Gateway <= 2.1.1 - Unauthenticated Order Payment Forgery via Unverified Callback
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-103300?
CVE-2026-103300 is a medium-severity vulnerability in Unknown Eurobank WooCommerce Payment Gateway, published on 26 Oct 2026.
Official description
The Eurobank WooCommerce Payment Gateway WordPress plugin through 2.1.1 does not verify that a payment-confirmation request genuinely originates from the payment provider, and ships with the secret that would authenticate it empty by default, allowing unauthenticated attackers to mark any pending order as paid, and to force any order into a failed status without any secret at all.
Weakness: CWE-345
Which versions are affected by CVE-2026-103300?
How do I fix CVE-2026-103300?
No fix has been published for CVE-2026-103300 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-103300 being exploited?
There is no known exploitation of CVE-2026-103300 in the wild and no public exploit code.
Sources
Also known as GHSA-gmpq-vcj6-g4r2.