CVE-2023-49777 CRITICAL

CVE-2023-49777: WordPress YITH WooCommerce Product Add-Ons Plugin <= 4.3.0 is vulnerable to PHP Object Injection

Vendor Yith
Product YITH WooCommerce Product Add-Ons
Weakness CWE-502 · Unsafe deserialization
Published December 31, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in YITH YITH WooCommerce Product Add-Ons.This issue affects YITH WooCommerce Product Add-Ons: from n/a through 4.3.0.

Key dates

02Disclosure timeline

December 31, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

04Related CVE

CVE-2025-11345 ILIAS Test Import unserialize deserialization CVE-2026-27830 c3p0 vulnerable to Remote Code Execution via unsafe deserialization of userOverridesAsString property CVE-2025-30889 WordPress Testimonial Slider plugin <= 2.0.13 - PHP Object Injection vulnerability CVE-2026-7888 Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction. CVE-2025-5498 slackero phpwcms Custom Source Tab cnt21.readform.inc.php is_file deserialization