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TI-2026-84167 Aliases CVE-2026-91075GHSA-g2hh-vxh7-5vwh

Payment confirmation bypass in Eupago Gateway For Woocommerce

Priority LOW 29CWE-345Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-345.

Summary

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 (CWE-345). An unauthenticated remote attacker can forge a payment confirmation and mark a pending order as paid without paying for it. The references include a link to an exploit.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00114 1st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownEupago Gateway For Woocommerce4.5.0 – 4.7.5—No fix listedCNA
  • Eupago Gateway For Woocommerce VendorUnknown Affected 4.5.0 – 4.7.5 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Eupago Gateway For Woocommerce.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-91075
  2. 2026-11-03 Alias added: GHSA-g2hh-vxh7-5vwh
  3. 2026-11-04 Weakness changed · CISA ADP
  4. 2026-11-04 CISA SSVC decision points changed

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences