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TI-2026-78587 Aliases CVE-2026-100145GHSA-mr5q-g9rw-x79g

Missing authorization in Synchrony Financing lets attackers take over orders

Priority LOW 34CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.

Summary

The Synchrony Financing WordPress plugin from 1.0.5 before 1.1.2 does not properly authorise requests to one of its REST routes that modifies WooCommerce orders (CWE-863). An unauthenticated attacker can reassign any order to an account they control, tamper with its details, and read the associated customer's personal data. A public exploit is linked in the references.

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

Description from the CNA

The Synchrony Financing WordPress plugin before 1.1.2 does not properly authorise requests to one of its REST routes that modifies WooCommerce orders, allowing unauthenticated attackers to reassign any order to an account they control, tamper with its details, and read the associated customer's personal data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00265 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Synchrony Financing (Unknown): 1.1.2

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
UnknownSynchrony Financing1.0.5 to before 1.1.21.1.2Patch availableCNA
  • Synchrony Financing VendorUnknown Affected 1.0.5 to before 1.1.2 Fixed in 1.1.2 Patch available CNA

Remediation

Update Synchrony Financing to version 1.1.2 or later.

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

  • Fix · CNA Synchrony Financing (Unknown) Fixed in 1.1.2

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-100145
  2. 2026-10-21 Alias added: GHSA-mr5q-g9rw-x79g

References

Exploit 1

Sources

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