What’s Vulnerable › Vulnerabilities

CVE-2021-4379: WooCommerce Multi Currency <= 2.1.17 - Missing Authorization

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-07 · updated 2026-06-17
• Weakness: CWE-862

Description

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.

Affected products

• villatheme CURCY - WooCommerce Multi Currency - Currency Switcher: before 2.1.18 — fixed in 2.1.18

How to fix

Upgrade to a fixed version: villatheme CURCY - WooCommerce Multi Currency - Currency Switcher 2.1.18. Check the vendor advisory for mitigations.

References

• https://blog.nintechnet.com/vulnerability-fixed-in-wordpress-woocommerce-multi-currency-plugin/
• https://codecanyon.net/item/woocommerce-multi-currency/20948446
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e2318ae9-4115-442e-9293-a9251787c5f3?source=cve
• https://blog.nintechnet.com/vulnerability-fixed-in-wordpress-woocommerce-multi-currency-plugin/
• https://codecanyon.net/item/woocommerce-multi-currency/20948446
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e2318ae9-4115-442e-9293-a9251787c5f3?source=cve

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