Auth bypass in Zorem Advanced Shipment Tracking For Woocommerce

CVE-2021-4347

The function update_shipment_status_email_status_fun in the plugin Advanced Shipment Tracking for WooCommerce in versions up to 3.2.6 is vulnerable to authenticated arbitrary options update. The function allows attackers (including those at customer level) to update any WordPress option in the database. Version 3.2.5 was initially released as a fix, but doesn't fully address the issue.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-4347: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-4347?
CVE-2021-4347 is a critical-severity vulnerability in Zorem Advanced Shipment Tracking For Woocommerce, classified under Missing Authorization. CVSS score: 9.9/10. Published 2023-06-07.
How severe is CVE-2021-4347?
Critical severity. CVSS v3 base score is 9.9 out of 10.
Is CVE-2021-4347 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.