# CVE-2026-42383: YITH WooCommerce Product Add-Ons SQL injection

Source: https://junglewise.ai/threats/cve-2026-42383-yith-woocommerce-product-add-ons-sql-injection  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-20. Updated: 2026-05-20  
License: CC BY 4.0 with a link back

CVE-2026-42383 · Severity: high · CVSS 7.6 · Published 2026-05-20

YITH WooCommerce Product Add-Ons is a WordPress plugin used to add custom options and features to products in an online store. A security flaw in this plugin could allow an attacker with administrative or shop manager access to interact directly with the website's database. This could lead to the unauthorized extraction of sensitive customer data or internal site information.

Technologies: [YITH WooCommerce Product Add-Ons](https://junglewise.ai/threats/technologies/woocommerce-product-add-ons). Vendors: [YITH](https://junglewise.ai/threats/vendors/yith).

## Quick answers

**Is CVE-2026-42383 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-42383 being exploited in the wild.

**How severe is CVE-2026-42383?** High severity, with a CVSS score of 7.6, published 20 May 2026.

**Which products and versions are affected?** YITH WooCommerce Product Add-Ons up to 4.29.0.

**Is there a fix for CVE-2026-42383?** A patch was published on 2026-05-20: Version 4.29.1 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-42383 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-42383?** Check whether you run YITH WooCommerce Product Add-Ons at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A Blind SQL Injection vulnerability exists in the YITH WooCommerce Product Add-Ons plugin for WordPress due to improper neutralization of special elements in SQL commands. The flaw is present in versions up to and including 4.29.0. An attacker with high-level privileges, such as a Shop Manager or Administrator, can exploit this vulnerability over the network without user interaction. Successful exploitation allows the attacker to execute arbitrary SQL queries against the backend database, potentially leading to full data exfiltration. The issue has been addressed in version 4.29.1.

## Affected products

- YITH YITH WooCommerce Product Add-Ons up to 4.29.0

## Timeline

- 2026-01-26: other: Reported by Nguyen Ba Khanh
- 2026-05-20: advisory: Published by Patchstack
- 2026-05-20: patched: Version 4.29.1 released

## References

- [https://patchstack.com/database/wordpress/plugin/yith-woocommerce-product-add-ons/vulnerability/wordpress-yith-woocommerce-product-add-ons-plugin-4-29-0-sql-injection-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/yith-woocommerce-product-add-ons/vulnerability/wordpress-yith-woocommerce-product-add-ons-plugin-4-29-0-sql-injection-vulnerability?_s_id=cve)

## Related threats

- [YITH WooCommerce Product Add-Ons unauthenticated bypass](https://junglewise.ai/threats/cve-2026-107868-unauthenticated-bypass-vulnerability-in-yith-woocommerce-product)
- [YITH WooCommerce Product Add-Ons sensitive data exposure](https://junglewise.ai/threats/cve-2026-66480-exposure-of-sensitive-system-information-to-an-unauthorized)