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TI-2026-73770 Aliases CVE-2026-87974GHSA-585c-q7j2-3rfg

Asaas Gateway for WooCommerce webhook lets attackers mark orders paid

Priority LOW 30CWE-287Published · 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
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.

Summary

The Asaas Gateway for WooCommerce WordPress plugin before 2.7.8 has an improper authentication flaw (CWE-287) in its payment webhook. The webhook accepts an empty access token in its default configuration and does not verify that a confirmed payment matches the order it marks paid. An unauthenticated remote attacker can mark arbitrary orders as paid. The references include an exploit link.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The Asaas Gateway for WooCommerce WordPress plugin before 2.7.8 does not properly authenticate its payment webhook, accepting an empty access token in its default configuration and not verifying that the confirmed payment corresponds to the order it marks paid, allowing unauthenticated attackers to mark arbitrary orders as paid.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00322 25th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Asaas Gateway for WooCommerce (Unknown): 2.7.8

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
UnknownAsaas Gateway for WooCommercebefore 2.7.82.7.8Patch availableCNA
  • Asaas Gateway for WooCommerce VendorUnknown Affected before 2.7.8 Fixed in 2.7.8 Patch available CNA

Remediation

Update Asaas Gateway for WooCommerce to fixed version 2.7.8.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Asaas Gateway for WooCommerce (Unknown) Fixed in 2.7.8

Timeline

  1. 2026-10-14 Threatist record created from CVE-2026-87974
  2. 2026-10-14 Alias added: GHSA-585c-q7j2-3rfg
  3. 2026-10-14 CVSS score added · CISA ADP
  4. 2026-10-14 Weakness changed · CISA ADP
  5. 2026-10-14 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