HOMEVULNERABILITIESCVE-2021-4379
MEDIUM

CVE-2021-4379

CWE-862Published: June 7, 2023· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-4379 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

villatheme1 product(s)
woocommerce multi currency
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (6)

→
https://blog.nintechnet.com/vulnerability-fixed-in-wordpress-woocommerce-multi-currency-plugin/Exploit · Third Party Advisory
→
https://codecanyon.net/item/woocommerce-multi-currency/20948446Product
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/e2318ae9-4115-442e-9293-a9251787c5f3?source=cveThird Party Advisory
→
https://blog.nintechnet.com/vulnerability-fixed-in-wordpress-woocommerce-multi-currency-plugin/Exploit · Third Party Advisory
→
https://codecanyon.net/item/woocommerce-multi-currency/20948446Product
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/e2318ae9-4115-442e-9293-a9251787c5f3?source=cveThird Party Advisory

Quick Facts

CVE IDCVE-2021-4379
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-862
CISA KEVNo
Affected1 vendor(s)
PublishedJun 7, 2023

Related CVEs (CWE-862)

CVE-2026-33712
10.0
CVE-2026-34976
10.0
CVE-2025-22609
10.0
CVE-2026-2031
10.0
CVE-2024-6071
10.0
CVE-2025-30416
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-4379 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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