What is CVE-2026-107789?

CVE-2026-107789 is a medium-severity vulnerability in Smartyparcel, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-10-21.

How severe is CVE-2026-107789?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Smartyparcel

CVE-2026-107789

The SmartyParcel WordPress plugin before 1.23.4 does not perform authorisation checks when serving shipping label downloads, allowing unauthenticated users to obtain the shipping labels of arbitrary orders, which contain customer names, addresses and phone numbers.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-21 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Smartyparcel

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

wpscan.com/vulnerability/bce3568a-2fbd-40b7-927d-9f52d30d95c9/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-107789?: CVE-2026-107789 is a medium-severity vulnerability in Smartyparcel, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-10-21.
How severe is CVE-2026-107789?: Medium severity. CVSS v3 base score is 5.3 out of 10.