Unauthorized Refund Request Vulnerability in WCFM Marketplace Plugin for WordPress
CVE-2026-77701

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Wcfm Marketplace
Vendor
CVE Published:
28 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-77701?

The WCFM Marketplace WordPress plugin prior to version 3.8.2 contains a vulnerability that fails to properly verify ownership of refund requests. As a result, this allows unauthenticated users to exploit the system by submitting refund requests for any guest checkout orders, potentially leading to unauthorized financial actions against online merchants. Websites using this plugin are advised to apply the latest updates or implement alternative security measures to mitigate the risk of exploitation.

Affected Version(s)

WCFM Marketplace 3.7.1 < 3.8.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-77701 - Proof of Concept

References

https://wpscan.com/vulnerability/38195936-5dc2-474f-84e5-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Shikhali Jamalzade
WPScan
.