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CVE-2026-77701— WCFM Marketplace < 3.8.2 - Unauthenticated Refund Request Creation on Guest Orders

Quick assessment

Affected
Unknown WCFM Marketplace
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WCFM Marketplace WordPress 插件在 3.8.2 版本之前，未能正确验证发起退款请求的用户是否拥有该订单，这使得未认证的用户能够针对站点上任何访客结账订单发起退款请求。

AI Predicted 6.4 Difficulty: Easy EPSS 0.15% · P4

Possible ATT&CK Techniques 2 AI

T1559.004 T1079

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown WCFM Marketplace 3.7.1< 3.8.2 affected
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I. Basic Information for CVE-2026-77701

Vulnerability Information
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Vulnerability Title
WCFM Marketplace < 3.8.2 - Unauthenticated Refund Request Creation on Guest Orders
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown WCFM Marketplace 3.7.1 ~ 3.8.2 -

II. Public POCs for CVE-2026-77701

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III. Intelligence Information for CVE-2026-77701

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Security Blog Posts for CVE-2026-77701 (1)

Same Patch Batch · Unknown · 2026-08-28 · 11 CVEs total

CVE-2026-79996 User Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login Sett
CVE-2026-19423 Ultimate Member 2.6.7 - 2.12.1 - Unauthenticated Privilege Escalation via Role Field on Pr
CVE-2026-79706 Breeze Cache < 2.5.13 - Unauthenticated File Creation via Cache Path Traversal
CVE-2026-79995 User Registration & Membership < 5.2.5 - Subscriber+ Pending Email Change Cancellation via
CVE-2026-79615 Quiz And Survey Master < 11.2.4 - Contributor+ Cross-Quiz Question Bank and Answer Key Dis
CVE-2026-19084 Shared Files < 1.7.70 - Unauthenticated Arbitrary File Read
CVE-2026-14567 WP User Frontend < 4.3.10 - Unauthenticated User Email and Phone Disclosure via User Direc
CVE-2026-14558 WP User Frontend < 4.3.10 - Editor+ PHP Object Injection via AI Form Builder
CVE-2026-12514 Shared Files < 1.7.70 - Unauthenticated Limited File Upload
CVE-2026-12513 Shared Files < 1.7.68 - Unauthenticated Arbitrary File Deletion via Path Traversal

IV. Related Vulnerabilities

Same product: WCFM Marketplace
Same vendor: Unknown

V. Comments for CVE-2026-77701

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