CVE•Published 2023-06-07•Modified 2026-04-08•1 article on news•6 live references•NVD data

CVE-2021-4347Zorem · Advanced_shipment_tracking_for_woocommerce

Vulnerability data via NVD (ingested)

CVSS v3.1

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 69% of all CVEs

Weaknesses (CWE)

CWE-862Missing Authorization

Description

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.

Timeline

Published 2023-06-07

Modified 2026-04-08

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2021-4347

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · WP plugin path

http.html:"/wp-content/plugins/advanced-shipment-tracking-for-woocommerce/"

Matches any site loading the "advanced-shipment-tracking-for-woocommerce" plugin — doesn't rely on Shodan's vuln tag.

Shodan · product

product:"Zorem Advanced Shipment Tracking For Woocommerce"

All exposed Zorem Advanced Shipment Tracking For Woocommerce instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Advanced Shipment Tracking For Woocommerce"

HTTP body or banner mentions "Advanced Shipment Tracking For Woocommerce" — catches deploys Shodan didn't identify as a product.