CVE-2019-25222 – This SQL injection vulnerability in the WordPre... (How to Fix)

📋 TL;DR

This SQL injection vulnerability in the WordPress Thumbnail Carousel Slider plugin allows unauthenticated attackers to execute arbitrary SQL queries through the 'id' parameter. Attackers can extract sensitive information from the database, including user credentials and other confidential data. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:

WordPress Thumbnail Carousel Slider plugin

Versions: All versions up to and including 1.0.4

Operating Systems: All operating systems running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Vulnerability exists in default plugin configuration; no special configuration required for exploitation

📦 What is this software?

Thumbnail Carousel Slider by I13websolution

View all CVEs affecting Thumbnail Carousel Slider →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, privilege escalation, and potential site takeover

🟠

Likely Case

Extraction of sensitive data including user credentials, plugin settings, and potentially other WordPress data

🟢

If Mitigated

Limited impact if database permissions are restricted and web application firewall blocks SQL injection attempts

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

SQL injection via GET/POST parameters is well-understood and easily automated

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.5

Vendor Advisory: https://wordpress.org/plugins/wp-responsive-thumbnail-slider

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Thumbnail Carousel Slider'
4. Click 'Update Now' if available
5. If update not available, download version 1.0.5 from WordPress repository and manually update

🔧 Temporary Workarounds

Web Application Firewall Rule

all

Block SQL injection patterns targeting the 'id' parameter

WAF-specific configuration required

Plugin Deactivation

linux

Temporarily disable the vulnerable plugin

wp plugin deactivate wp-responsive-thumbnail-slider

🧯 If You Can't Patch

Implement strict input validation for all 'id' parameters
Apply principle of least privilege to database user accounts

🔍 How to Verify

Check if Vulnerable:

Check plugin version in WordPress admin panel under Plugins → Installed Plugins

Check Version:

wp plugin get wp-responsive-thumbnail-slider --field=version

Verify Fix Applied:

Confirm plugin version is 1.0.5 or higher

📡 Detection & Monitoring

Log Indicators:

Unusual SQL error messages in web server logs
Multiple requests with SQL-like patterns in 'id' parameter

Network Indicators:

HTTP requests containing SQL keywords in 'id' parameter
Unusual database query patterns

SIEM Query:

web_access_logs WHERE url_parameters CONTAINS 'id=' AND (url_parameters CONTAINS 'UNION' OR url_parameters CONTAINS 'SELECT' OR url_parameters CONTAINS 'OR 1=1')

📊 Metadata

CVE ID: CVE-2019-25222

CVSS v3 Score: 4.9 (MEDIUM)

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

CWE: CWE-89

EPSS Score: 0.44% exploit probability (62.6th percentile)

Published: March 15, 2025

Last Updated: March 21, 2025

🔗 References

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