CVE-2026-74926— MultiVendorX 5.0.0 - 5.0.15 - Subscriber+ Arbitrary Store Data and Ownership Overwrite via stores REST Endpoint
Quick assessment
Affected
Unknown MultiVendorX
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.
MultiVendorX WordPress 插件在 5.0.16 版本之前，其中一个 REST API 路由未验证用户是否对其正在操作的商店拥有所有权，这使得任何已认证的用户（例如订阅者）都可以覆盖任意商店的详细信息和收款设置，并替换该商店所有者的记录。
Possible ATT&CK Techniques 3 AI
T1078 · Valid Accounts T1485 · Data Destruction T1136 · Create AccountAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Unknown | MultiVendorX | 5.0.0< 5.0.16 |
affected |
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I. Basic Information for CVE-2026-74926
Vulnerability Information
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Vulnerability Title
MultiVendorX 5.0.0 - 5.0.15 - Subscriber+ Arbitrary Store Data and Ownership Overwrite via stores REST Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
The MultiVendorX WordPress plugin before 5.0.16 does not verify that a user owns the store they are acting on in one of its REST API routes, allowing any authenticated user, such as a subscriber, to overwrite any store's details and payout settings and to replace the record of who owns it.
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 | MultiVendorX | 5.0.0 ~ 5.0.16 | - |
|
II. Public POCs for CVE-2026-74926
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-74926 (1)
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🔗 MultiVendorX 5.0.0 – 5.0.15 – Subscriber+ Arbitrary Store Data and Ownership Overwrite via stores REST Endpoint | CVE 2026-74926 | Plugin Vulnerabilities exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2026-09-16 · 46 CVEs total
| CVE-2026-13407 | 6.1 MEDIUM | Royal Elementor Addons < 1.7.1067 - Unauthenticated Stored HTML Injection in Form Notifica |
| CVE-2026-84906 | 5.3 MEDIUM | Eventin < 4.1.24 - Unauthenticated Payment Bypass via Stripe and PayPal Cross-Order Transa |
| CVE-2026-86475 | 5.3 MEDIUM | Appointment Hour Booking < 1.5.95 - Unauthenticated Booking Capacity Bypass via Multi-Appo |
| CVE-2026-19857 | 4.8 MEDIUM | Formidable Forms < 6.35 - Unauthenticated Arbitrary Shortcode Execution via [entry_key] Cu |
| CVE-2026-76558 | WP Import Export Lite < 3.9.33 - Contributor+ Stored DOM XSS via Custom Field Names | |
| CVE-2026-85349 | FluentBoards < 2.0.15 - Subscriber+ Private Board Membership Disclosure via IDOR | |
| CVE-2026-76553 | WP Import Export Lite < 3.9.33 - Authenticated Arbitrary Directory Deletion via Template P | |
| CVE-2026-76555 | WP Import Export Lite < 3.9.33 - Authenticated Sensitive File Disclosure via Existing File | |
| CVE-2026-76557 | WP Import Export Lite < 3.9.33 - Authenticated SQLi via Import Options | |
| CVE-2026-76551 | WP Import Export Lite < 3.9.33 - Authenticated RCE via Export Field PHP Function | |
| CVE-2026-76556 | WP Import Export Lite < 3.9.33 - Authenticated SQLi via Export Filter Rules | |
| CVE-2026-82124 | Schema & Structured Data for WP & AMP < 1.66 - Unauthenticated Password-Protected Post Con | |
| CVE-2026-77702 | Eventin < 4.1.24 - Unauthenticated Ticket Price Rewrite via order_token | |
| CVE-2026-84829 | Optimole < 4.2.12 - Unauthenticated Stored XSS via Srcset Descriptor Parameter | |
| CVE-2026-84905 | Eventin < 4.1.24 - Contributor+ User Creation via Speaker Creation | |
| CVE-2026-84088 | Xpro Elementor Addons < 1.7.9 - Contributor+ Stored XSS via Interactive Circle Widget | |
| CVE-2026-82126 | Schema & Structured Data for WP & AMP 1.63 - 1.65 - Contributor+ Non-Public Post Content D | |
| CVE-2026-82125 | Schema & Structured Data for WP & AMP 1.46 - 1.65 - Unauthenticated Non-Public Comment Con | |
| CVE-2026-84907 | Eventin < 4.1.24 - Unauthenticated Order and Attendee Status Reset via Payment REST Endpoi | |
| CVE-2026-76550 | WP Import Export Lite < 3.9.34 - Authenticated RCE via Export Template Path Traversal |
Showing top 20 of 46 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: MultiVendorX
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CVE-2026-74925
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CVE-2026-74927
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CVE-2026-66651
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CVE-2026-66441
WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Cont -
CVE-2026-16746
MultiVendorX < 5.0.11 - Store Owner+ Cross-Store Commission
Same vendor: Unknown
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CVE-2026-87831
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CVE-2026-87829
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CVE-2026-91017
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CVE-2026-86801
To Do List Member 1.4 - 1.6 - Unauthenticated Stored XSS, Fi -
CVE-2026-87963
Yo 1.1 - 1.3.1 - Unauthenticated SQL Injection via username
V. Comments for CVE-2026-74926
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