CartFlows – Checkout & Funnel Builder for WooCommerce <= 2.1.19 - Authenticated (Administrator+) PHP Object Injection

6.6
Deserialization of Untrusted Data
CVE CVE-2026-25316
CVSS 6.6 (Medium)
Publicly Published January 26, 2026
Last Updated May 4, 2026
Researcher daroo

Description

The CartFlows – Checkout & Funnel Builder for WooCommerce plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.1.19 via deserialization of untrusted input. This makes it possible for authenticated attackers, with administrator-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

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Vulnerability Details for CartFlows – Funnel Builder & Checkout Plugin for WooCommerce

Software Type Plugin
Software Slug cartflows (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.2.0, or a newer patched version
Affected Version
  • <= 2.1.19
Patched Version
  • 2.2.0

Recent vulnerabilities in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce

# Title CVE ID CVSS Researchers Date
1 CartFlows <= 2.2.3 - Missing Authorization CVE-2026-39477 4.3 Trương Hữu Phúc (truonghuuphuc) March 27, 2026
2 WooCommerce Checkout & Funnel Builder by CartFlows – Create High Converting Stores For WooCommerce <= 2.0.7 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-4632 6.4 wesley (wcraft) June 18, 2024
3 Funnel Builder by CartFlows <= 2.0.1 - Authenticated (Editor+) Stored Cross-Site Scripting via settings CVE-2024-29813 5.5 LVT-tholv2k March 25, 2024
4 CartFlows <= 1.11.11 - Insecure Direct Object Reference to Arbitrary Post Deletion 2.7 June 2, 2023
5 Funnel Builder by CartFlows <= 1.6.12 - Authenticated Stored Cross-Site scripting via FB Pixel ID and Google Analytics ID CVE-2021-24330 4.8 R3N0 May 17, 2021
6 WooCommerce Checkout & Funnel Builder by CartFlows – Create High Converting Stores For WooCommerce <= 1.5.15 - Cross-Site Request Forgery Bypass CVE-2020-36736 4.3 Jerome Bruandet September 26, 2020
7 Funnel Builder <= 1.3.0 - Arbitrary Plugin Activation CVE-2019-25151 5.4 Jerome Bruandet November 7, 2019

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