Ultimate Store Kit Elementor Addons <= 2.4.0 - Unauthenticated PHP Object Injection

9.8
Deserialization of Untrusted Data
CVE CVE-2025-39588
CVSS 9.8 (Critical)
Publicly Published April 17, 2025
Last Updated April 22, 2025
Researcher domiee13

Description

The Ultimate Store Kit – Elementor powered WooCommerce Builder, 80+ Widgets and Template Builder plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.4.0 via deserialization of untrusted input. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.

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Vulnerability Details for Ultimate Store Kit

Software Type Plugin
Software Slug ultimate-store-kit (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.4.1, or a newer patched version
Affected Version
  • <= 2.4.0
Patched Version
  • 2.4.1

Recent vulnerabilities in Ultimate Store Kit

# Title CVE ID CVSS Researchers Date
1 Biggopti Library (Various Versions) - Cross-Site Scripting via display_id from Sigmative API 5.4 August 8, 2026
2 Ultimate Store Kit – Addon For WooCommerce, EDD and Elementor <= 3.0.5 - Missing Authorization CVE-2026-25403 5.3 Bao - BlueRock July 28, 2026
3 Ultimate Store Kit – Addon For WooCommerce, EDD and Elementor <= 3.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2026-65503 6.4 Nguyen Ba Khanh July 22, 2026
4 Ultimate Store Kit – Addon For WooCommerce, EDD and Elementor <= 3.0.5 - Unauthenticated Information Exposure CVE-2026-65505 5.3 Bao - BlueRock July 22, 2026
5 Ultimate Store Kit Elementor Addons <= 2.9.4 - Missing Authorization CVE-2025-69336 4.3 Phat RiO December 30, 2025
6 Ultimate Store Kit Elementor Addons <= 2.8.6 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-58017 6.4 Abu Hurayra (HurayraIIT) September 22, 2025
7 Ultimate Store Kit Elementor Addons, Woocommerce Builder, EDD Builder, Elementor Store Builder, Product Grid, Product Table, Woocommerce Slider <= 2.4.1 - Cross-Site Request Forgery to Limited User Meta Update CVE-2025-2168 4.3 Peter Thaleikis April 30, 2025
8 Ultimate Store Kit Elementor Addons <= 2.5.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-32184 6.4 João Pedro Soares de Alcântara April 4, 2025
9 Ultimate Store Kit Elementor Addons, Woocommerce Builder, EDD Builder, Elementor Store Builder, Product Grid, Product Table, Woocommerce Slider <= 2.3.0 - Missing Authorization CVE-2025-24584 4.3 João Pedro Soares de Alcântara December 19, 2024
10 Ultimate Store Kit Elementor Addons <= 2.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-47629 6.4 João Pedro Soares de Alcântara September 30, 2024

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