Is CVE-2026-91075 being actively exploited?

CVE-2026-91075 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2026-91075?

CVE-2026-91075 has a CVSS 3.1 base score of 5.3 (MEDIUM).

CVE-2026-91075

MEDIUM · CVSS 5.3EPSS 0.1%EU EUVD

The Eupago Gateway For Woocommerce WordPress plugin from 4.5.0 through 4.7.5 does not verify the authenticity of incoming payment-confirmation webhook requests in some configurations, allowing unauthenticated attackers to forge a payment confirmation and mark a pending order as paid without paying for it.

Key facts

CVSS score: 5.3 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS score: 0.1% (2th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2026-115719)
Published: November 3, 2026
NVD last modified: November 3, 2026
Status: Deferred

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2026-115719 in the EU Vulnerability Database. Last updated in EUVD on November 3, 2026.

View on the EU Vulnerability Database

References

https://wpscan.com/vulnerability/065557b8-a29f-4c59-9289-2343d90447b1/

Last updated November 4, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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