Contact Form 7 Database Addon <= 1.2.5.3 - SQL Injection

2021-01-19 00:00
Anonymous

Strategic Overview

Status
Patched in 1.2.5.4
Affected Plugin
Database Addon for Contact Form 7 – CFDB7
Affected Version
< 1.2.5.4
CVSS
8.8High
Weakness type
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVE
CVE pending
View all Database Addon for Contact Form 7 – CFDB7 vulnerabilities

At a glance

This record tracks a high-severity Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in the Database Addon for Contact Form 7 WordPress plugin, affecting versions < 1.2.5.4. It carries a CVSS score of 8.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). The issue is fixed in version 1.2.5.4; sites on affected versions should update now. Disclosed January 2021.

Vulnerability Overview

The Contact Form 7 Database Addon plugin for WordPress is vulnerable to SQL Injection in versions up to, and including 1.2.5.3, that makes it possible for attackers to append arbitrary SQL queries into an existing query via the form_id parameter. This can be exploit by authenticated attackers to retrieve 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 interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.

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

Reaching this weakness in Database Addon for Contact Form 7 < 1.2.5.4 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 Database Addon for Contact Form 7 the fix is 1.2.5.4: builds < 1.2.5.4 are affected, anything from 1.2.5.4 onward is not.

Remediation

Update to version 1.2.5.4, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to Database Addon for Contact Form 7: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Database Addon for Contact Form 7 1.2.5.4 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

https://www.wordfence.com/threat-intel/vulnerabilities/id/22f79a03-9195-4d5d-a189-9b5e1d3307c8

Related records

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