Shipping for Nova Poshta lets anyone delete order shipment records
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-862.
Summary
The Shipping for Nova Poshta WordPress plugin from 1.18.7 through 1.19.8 has a missing authorization check (CWE-862) on an AJAX action open to unauthenticated users. An unauthenticated attacker can delete the shipment records of arbitrary orders and make the store send the carrier's waybill-deletion request using the store's stored API credentials. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The Shipping for Nova Poshta WordPress plugin through 1.19.8 does not perform any authorisation, nonce or ownership checks on one of its AJAX actions available to unauthenticated users, allowing anyone to delete the shipment records of arbitrary orders and to make the store issue the carrier's waybill-deletion request for those orders using the store's own stored API credentials.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Shipping for Nova Poshta | 1.18.7 – 1.19.8 | — | No fix listed | CNA |
- Shipping for Nova Poshta VendorUnknown Affected 1.18.7 – 1.19.8 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Shipping for Nova Poshta.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-09 Threatist record created from CVE-2026-87846
- 2026-10-09 Alias added: GHSA-gvw5-gchw-rwg7
- 2026-10-10 Weakness changed · CISA ADP
- 2026-10-10 CISA SSVC decision points changed
References
Sources
- CVE-2026-87846 · CVE Program
- CVE-2026-87846 · NVD
- FIRST EPSS
- GHSA-gvw5-gchw-rwg7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences