YITH WooCommerce Wishlist <= 2.1.2 - SQL Injection

2018-01-16 00:00
John Castro

Strategic Overview

Status
Patched in 2.2.0
Affected Plugin
YITH WooCommerce Wishlist
Affected Version
<= 2.1.2
CVSS
6.1Medium
Weakness type
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVE
CVE pending
View all YITH WooCommerce Wishlist vulnerabilities

At a glance

This record tracks a medium-severity Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in the YITH WooCommerce Wishlist WordPress plugin, affecting versions <= 2.1.2. It carries a CVSS score of 6.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 2.2.0; sites on affected versions should update now. Disclosed January 2018, reported by John Castro.

Vulnerability Overview

The YITH WooCommerce Wishlist plugin for WordPress is vulnerable to SQL Injection via the 'limit' variable in versions up to, and including, 2.1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers with subscriber level permissions and above to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site.

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

YITH WooCommerce Wishlist <= 2.1.2 carries this weakness at limit, and reaching it takes a caller who can reach the endpoint. SQL injection happens when request data is concatenated into a query instead of being bound as a parameter, letting an attacker change the structure of the statement rather than just its values.

A working injection can read any table the database user can see, which on a WordPress install means user records, password hashes and session or API secrets stored in options. For YITH WooCommerce Wishlist the fix is 2.2.0: builds <= 2.1.2 are affected, anything from 2.2.0 onward is not.

Remediation

Update to version 2.2.0, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to YITH WooCommerce Wishlist: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: YITH WooCommerce Wishlist 2.2.0 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

https://www.wordfence.com/threat-intel/vulnerabilities/id/3737d7a0-76d6-4292-aa31-6ee2cb0e9575

Related records

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