CVE-2023-35876

WordPress WooCommerce Square Plugin <= 3.8.1 is vulnerable to Insecure Direct Object References (IDOR)

8.1 High

Authorization Bypass Through User-Controlled Key vulnerability in WooCommerce WooCommerce Square.This issue affects WooCommerce Square: from n/a through 3.8.1.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: High

Exploit likelihood

0.83%Up 0.8 points since Dec 21, 2023

What each source reports

CVE List Score used 8.1

WordPress WooCommerce Square Plugin <= 3.8.1 is vulnerable to Insecure Direct Object References (IDOR)

Authorization Bypass Through User-Controlled Key vulnerability in WooCommerce WooCommerce Square.This issue affects WooCommerce Square: from n/a through 3.8.1.

Record: CVE-2023-35876
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness: CWE-639
Updated: 2026-11-02

EUVDEUVD-2023-39869 8.1

Authorization Bypass Through User-Controlled Key vulnerability in WooCommerce WooCommerce Square.This issue affects WooCommerce Square: from n/a through 3.8.1.

Record: EUVD-2023-39869
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-243r-xrw9-vfhw 8.1

Authorization Bypass Through User-Controlled Key vulnerability in WooCommerce WooCommerce Square...

Authorization Bypass Through User-Controlled Key vulnerability in WooCommerce WooCommerce Square.This issue affects WooCommerce Square: from n/a through 3.8.1.

Record: GHSA-243r-xrw9-vfhw
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness: CWE-639
Updated: 2026-11-02

NVD 8.1

Authorization Bypass Through User-Controlled Key vulnerability in WooCommerce WooCommerce Square.This issue affects WooCommerce Square: from n/a through 3.8.1.

Record: CVE-2023-35876
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-639
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-35876 is a high vulnerability (CVSS 8.1) in Automattic Woocommerce Square, published December 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.