CVE-2021-4376

WooCommerce Multi Currency <= 2.1.17 - Missing Authorization

4.3 Medium

The WooCommerce Multi Currency plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 2.1.17. This makes it possible for authenticated attackers to change the price of a product to an arbitrary value.

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: None
Integrity: Low
Availability: None

Exploit likelihood

0.60%Up 0.6 points since Jun 7, 2023

What each source reports

CVE List Score used 4.3

WooCommerce Multi Currency <= 2.1.17 - Missing Authorization

Record: CVE-2021-4376
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2021-34203 4.3

Record: EUVD-2021-34203
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-7vpf-phw9-2m55 4.3

The WooCommerce Multi Currency plugin for WordPress is vulnerable to Missing Authorization in...

Record: GHSA-7vpf-phw9-2m55
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 4.3

Record: CVE-2021-4376
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
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-2021-4376 is a medium vulnerability (CVSS 4.3) in Palscode Woocommerce Multi Currency, published June 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.