Global Payments GlobalPayments WooCommerce plugin versions up to 1.18.0 contain a Server-Side Request Forgery (SSRF) vulnerability (CVE-2026-39645). SSRF vulnerabilities allow attackers to make the server perform unauthorized requests, potentially accessing internal resources or services. The CVSS score of 5.4 reflects a medium severity with network attack vector, high attack complexity, no privileges required, no user interaction, and impacts on confidentiality and integrity but not availability. No official remediation or patch has been disclosed at this time.

The SSRF vulnerability could allow an unauthenticated attacker to cause the affected server to make arbitrary requests, potentially exposing sensitive information or modifying data accessible via those requests. The impact is limited to confidentiality and integrity with no reported impact on availability. There are no known active exploits reported in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific mitigations are provided by the vendor at this time.