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CVE-2026-84099— IDB Ecommerce (wpStoreCart 5) <= 5.0.7 - Unauthenticated PHP Object Injection via bundled wpsc-membership-pro paypal.php

Quick assessment

Affected
Unknown wpstorecart
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.

wpstorecart WordPress 插件（版本 5.0.7 及更早版本）未防止未经身份验证的用户对捆绑组件的直接访问；该组件在对用户输入进行反序列化时，未限制允许使用的类，使得未经身份验证的攻击者能够注入任意 PHP 对象。如果站点上存在合适的“gadget chain”（即可利用的对象组合），该漏洞可被进一步升级利用。

AI Predicted 8.2 Difficulty: Moderate EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1205 · Traffic Signaling

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown wpstorecart ≤ 5.0.7 affected
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I. Basic Information for CVE-2026-84099

Vulnerability Information
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Vulnerability Title
IDB Ecommerce (wpStoreCart 5) <= 5.0.7 - Unauthenticated PHP Object Injection via bundled wpsc-membership-pro paypal.php
Source: CVE Program / CVE List V5
Vulnerability Description
The wpstorecart WordPress plugin through 5.0.7 does not prevent direct, unauthenticated access to a bundled add-on that deserializes user-supplied input without restricting the permitted classes, allowing unauthenticated attackers to inject arbitrary PHP objects, which may be escalated further when a suitable gadget chain is present 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 wpstorecart 0 ~ 5.0.7 -

II. Public POCs for CVE-2026-84099

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III. Intelligence Information for CVE-2026-84099

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News Coverage for CVE-2026-84099 (1)

Same Patch Batch · Unknown · 2026-09-12 · 36 CVEs total

CVE-2026-77006 WebTotem Backups <= 1.0.1 - Subscriber+ Arbitrary File Deletion via Path Traversal
CVE-2026-82847 Masteriyo LMS < 3.4.1 - Instructor+ Stored XSS via Course Highlights
CVE-2026-81742 BE REST Endpoints <= 1.0.0 - Unauthenticated Stored XSS and Widget Manipulation
CVE-2026-84023 BEAR - Bulk Editor and Products Manager Professional for WooCommerce < 1.2.2 - Taxonomy Te
CVE-2026-81090 Gpx2Graphics <= 0.3 - Arbitrary File Upload via CSRF
CVE-2026-81429 Export & Import WPBakery Page Builder <= 1.0.2 - Stored XSS via CSRF
CVE-2026-81402 DS Ad Rotator <= 0.8 - Unauthenticated Arbitrary File Upload
CVE-2026-80491 SAMO Forms <= 1.0.0 - Unauthenticated SQLi
CVE-2026-80494 Yogeta WP Cloud <= 1.0 - Unauthenticated Arbitrary File Download
CVE-2026-82845 Masteriyo LMS < 3.4.1 - Subscriber+ PHP Object Injection
CVE-2026-77752 Temporary Login Without Password 1.5 - 1.9.8 - Multisite Subsite Admin+ Network Super Admi
CVE-2026-77689 Amelia Pro 9.0 - 9.8 - Unauthenticated Payment Bypass
CVE-2026-77705 Amelia < 2.4.10 - Amelia Manager+ WordPress Account Takeover
CVE-2026-77753 Temporary Login Without Password < 1.9.9 - Authenticated Temporary Access Revocation Bypas
CVE-2026-78152 SureRank 1.6.2 - 1.10.0 - Unauthenticated Author Email Disclosure via Person Schema
CVE-2026-75800 Frontegg SAML SSO <= 1.0.1 - Unauthenticated Account Takeover via Unverified SAMLResponse
CVE-2026-77005 Code Monkeys Proposals <= 1.0.1 - Subscriber+ Arbitrary File Deletion via Path Traversal
CVE-2026-83532 Custom Menu Wizard <= 3.3.1 - Contributor+ Stored XSS via Shortcode Attributes
CVE-2026-87797 Client Invoicing by Sprout Invoices < 20.8.16 - Subscriber+ Private Note Overwrite via si_
CVE-2026-87918 WPBot < 8.5.7 - Unauthenticated AI Provider API Abuse via Multiple AJAX Actions

Showing top 20 of 36 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Unknown

V. Comments for CVE-2026-84099

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