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TI-2026-15247 Aliases CVE-2026-18603GHSA-39g4-r8qh-2jjf

Cancel Order & Request Woocommerce < 1.3.4.34 - Unauthenticated Order Content Disclosure via Reorder AJAX Actions

Priority HIGH 68CWE-862Published · 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-862.

Summary

The PiWeb Cancel order / Refund request for WooCommerce WordPress plugin before 1.3.4.34 does not have authorization or ownership checks when adding the contents of a previous order to the cart, allowing unauthenticated users to disclose the contents of other customers' orders, as well as to clear and repopulate a logged in user's cart via a crafted link.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00299 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed PiWeb Cancel order / Refund request for WooCommerce (Unknown): 1.3.4.34

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
UnknownPiWeb Cancel order / Refund request for WooCommercebefore 1.3.4.341.3.4.34Patch availableCNA
  • PiWeb Cancel order / Refund request for WooCommerce VendorUnknown Affected before 1.3.4.34 Fixed in 1.3.4.34 Patch available CNA

Remediation

  • Fix · CNA PiWeb Cancel order / Refund request for WooCommerce (Unknown) Fixed in 1.3.4.34

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18603
  2. 2026-10-03 Alias added: GHSA-39g4-r8qh-2jjf

References

Exploit 1

Sources

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