Vulnerability in Visma Pay For Woocommerce
CVE-2026-103308
The Visma Pay for WooCommerce WordPress plugin before 1.2.2 does not verify the authenticity of payment gateway return requests, relying on a merchant secret that is empty on a store which has not entered its credentials, allowing unauthenticated attackers to mark arbitrary orders as paid and to disclose the name, email address and postal address of any order's customer.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Visma Pay For Woocommerce
Weakness classification (CWE)
References
- wpscan.com/vulnerability/26bae5f0-510b-403e-bd69-c4aa2392406d/ (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-103308?
- CVE-2026-103308 is a medium-severity vulnerability in Visma Pay For Woocommerce, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2026-10-14.
- How severe is CVE-2026-103308?
- Medium severity. CVSS v3 base score is 6.5 out of 10.