CVE-2026-103300 — MEDIUM (5.3)

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-345

References

https://wpscan.com/vulnerability/37851403-0765-4fc2-80f6-f70d3fc34a88/

FAQ

What is CVE-2026-103300?

CVE-2026-103300 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 th...

How severe is CVE-2026-103300?

CVE-2026-103300 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-103300?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.