CVE-2021-4379

WooCommerce Multi Currency <= 2.1.17 - Missing Authorization

6.5 Medium

The WooCommerce Multi Currency plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the wmc_bulk_fixed_price function in versions up to, and including, 2.1.17. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to make changes to product prices.

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: High
Availability: None

Exploit likelihood

0.80%Up 0.8 points since Jun 8, 2023

What each source reports

CVE List Score used 6.5

WooCommerce Multi Currency <= 2.1.17 - Missing Authorization

Record: CVE-2021-4379
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2021-34206 6.5

Record: EUVD-2021-34206
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-4hwc-qxww-8xr8 6.5

The WooCommerce Multi Currency plugin for WordPress is vulnerable to authorization bypass due to...

Record: GHSA-4hwc-qxww-8xr8
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 6.5

Record: CVE-2021-4379
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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-2021-4379 is a medium vulnerability (CVSS 6.5) in Villatheme 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 0.80%, the 56th percentile. No source names a fixed version.