CVE-2026-77701
Deferred Deferred - Pending Action

Unauthenticated Refund Request in WCFM Marketplace

Publication date: 2026-08-28

Last updated on: 2026-08-28

Assigner: WPScan

Description
The WCFM Marketplace WordPress plugin before 3.8.2 does not correctly verify that the person requesting a refund owns the order, allowing unauthenticated users to create refund requests against any guest checkout order on the site.

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Meta Information

Published
2026-08-28
Last Modified
2026-08-28
Generated
2026-09-17
AI Q&A
2026-08-28
EPSS Evaluated
2026-09-15
NVD
CVE-2026-77701
EUVD
EUVD-2026-67571

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
wcfm marketplace to 3.8.2 (exc)
wcfm wcfm_marketplace to 3.8.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

The vulnerability in the WCFM Marketplace WordPress plugin before version 3.8.2 allows unauthenticated users to create refund requests for any guest checkout order. This happens because the plugin fails to verify if the person requesting a refund actually owns the order.

Detection Guidance

Check the installed version of the WCFM Marketplace plugin. If it is below 3.8.2, the system is vulnerable. Use WordPress admin panel or run SQL query on the database to check plugin version.

Impact Analysis

This vulnerability could allow attackers to fraudulently request refunds for orders they did not make, potentially leading to financial losses for the website owner. It may also damage trust in the site's transaction security.

Compliance Impact

This vulnerability could potentially violate compliance with GDPR and HIPAA by allowing unauthorized refund requests, which may expose sensitive order and customer data. Unauthenticated access to refund functionality risks improper handling of personal or financial information, undermining data protection requirements under these regulations.

Mitigation Strategies

Update the WCFM Marketplace plugin to version 3.8.2 or later immediately. Disable guest checkout orders if not required or implement additional verification steps for refund requests.

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