CVE-2021-4379 json
WooCommerce Multi Currency <= 2.1.17 - Missing Authorization
published 3y ago modified 4mo ago also EUVD-2021-34206
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- villatheme woocommerce_multi_currency 2.1.18
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- blog.nintechnet.com https://blog.nintechnet.com/vulnerability-fixed-in-wordpress-woocommerce-multi-currency-plugin/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
Affected products
- villatheme CURCY - WooCommerce Multi Currency - Currency Switcher
Classification
- Weakness
-
- CWE-862 Missing Authorization
- Technology feeds
References
-
blog.nintechnet.com
/vulnerability-fixed-in-wordpress-woocommerce-multi-currency-plugin/
exploit, third-party-advisory
-
wordfence.com
/threat-intel/vulnerabilities/id/e2318ae9-4115-442e-9293-a9251787c5f3?source=cve
third-party-advisory
-
codecanyon.net
/item/woocommerce-multi-currency/20948446
product
Sources
- CVE List CVE-2021-4379
- NVD CVE-2021-4379
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