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WCFM Marketplace – Multivendor Marketplace for WooCommerce < 3.8.2 — Insecure Direct Object Reference to Unauthenticated Arbitrary Order Refund Request

CVE-2026-77701Published · Updated

Action summary

Affected: <3.8.2Update to 3.8.2 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-639 Authorization Bypass Through User-Controlled Key
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

WCFM Marketplace – Multivendor Marketplace for WooCommerce wc-multivendor-marketplace

  1. Affected< 3.8.2
  2. Patched in3.8.2

Update to 3.8.2 or newer.

You are affected if you run < 3.8.2. Version 3.8.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WCFM Marketplace – Multivendor Marketplace for WooCommerce.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 3.8.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WCFM Marketplace – Multivendor Marketplace for WooCommerce to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Shikhali Jamalzade.

The WCFM Marketplace – Multivendor Marketplace for WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to 3.8.2 (exclusive) due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to request refunds on arbitrary orders.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in WCFM Marketplace – Multivendor Marketplace for WooCommerce

All 17
More vulnerabilities in WCFM Marketplace – Multivendor Marketplace for WooCommerce
SeverityVulnerabilityCVEPublished
Medium4.3Missing Authorization
≤3.8.3Update to 3.8.4
CVE-2026-120849
Medium6.4Authenticated (Vendor+) Stored Cross-Site Scripting
≤3.8.3Update to 3.8.4
CVE-2026-120848
Medium5.3Missing Authorization
≤3.8.2Update to 3.8.3
CVE-2026-62000
High7.5Unauthenticated SQL Injection via 'wcfmmp_user_location_lat' / 'wcfmmp_user_location_lng' Parameter
≤3.8.2Update to 3.8.3
CVE-2026-18442
High7.5Unauthenticated SQL Injection
≤3.8.1Update to 3.8.2
CVE-2026-81286

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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