CVE-2025-12483: WordPress Visualizer Plugin SQLi Flaw

CVE-2025-12483 Overview

CVE-2025-12483 is an SQL Injection vulnerability affecting the Visualizer: Tables and Charts Manager for WordPress plugin. The vulnerability exists in all versions up to and including 3.11.12 due to insufficient escaping on the user-supplied query parameter and lack of sufficient preparation on existing SQL queries. This security flaw allows authenticated attackers with Contributor-level access and above to append additional SQL queries into already existing queries, enabling extraction of sensitive information from the WordPress database.

The vulnerability has a CVSS 3.1 score of 6.5 (Medium severity) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, indicating network-based exploitation with low attack complexity, requiring low privileges but no user interaction.

Critical Impact

Authenticated attackers with Contributor-level privileges can extract sensitive database information including user credentials, personally identifiable information, and other confidential data stored in the WordPress database through SQL injection attacks.

Affected Products

• Visualizer: Tables and Charts Manager for WordPress versions up to and including 3.11.12 (full vulnerability)
• Version 3.11.13 (raises minimum user-level for exploitation to administrator)
• Version 3.11.14 (fully patched)

Discovery Timeline

• December 2, 2025 - CVE-2025-12483 published to NVD
• December 2, 2025 - Last updated in NVD database

Technical Details for CVE-2025-12483

Vulnerability Analysis

This SQL Injection vulnerability (CWE-89) resides in the Visualizer plugin's query handling functionality. The vulnerable code can be found in two primary locations within the plugin architecture:

1. classes/Visualizer/Gutenberg/Block.php at line 499
2. classes/Visualizer/Source/Query.php at line 173

The vulnerability stems from improper handling of the query parameter, where user-supplied input is not adequately escaped or sanitized before being incorporated into SQL statements. The lack of prepared statements or parameterized queries allows attackers to manipulate the SQL logic and extract data from the database.

According to EPSS data, this vulnerability has a probability score of 0.029% with a percentile ranking of 7.431, indicating a relatively low likelihood of exploitation in the wild, though the potential impact on confidentiality remains high.

Root Cause

The root cause of this vulnerability is insufficient input validation and the absence of proper SQL query preparation. The plugin fails to:

1. Properly escape user-supplied input in the query parameter
2. Implement prepared statements with parameterized queries
3. Validate and sanitize input before database operations

This allows malicious SQL code to be appended to existing queries, breaking out of the intended query structure and executing arbitrary SQL commands against the WordPress database.

Attack Vector

The attack vector is network-based and requires authentication with at least Contributor-level privileges on the WordPress installation. An attacker can exploit this vulnerability by:

1. Authenticating to the WordPress site with Contributor-level access or higher
2. Accessing the Visualizer plugin functionality that processes the query parameter
3. Crafting a malicious payload that appends additional SQL queries to extract sensitive data
4. Using UNION-based or time-based blind SQL injection techniques to enumerate and extract database contents

The vulnerability enables data exfiltration through SQL injection without requiring user interaction, making it exploitable whenever an authenticated attacker has access to the vulnerable functionality.

Detection Methods for CVE-2025-12483

Indicators of Compromise

• Unusual database queries originating from the Visualizer plugin endpoints
• SQL error messages in WordPress logs indicating malformed queries
• Unexpected UNION SELECT statements or time-based delays in database logs
• Anomalous data access patterns from user accounts with Contributor-level privileges
• Database queries containing common SQL injection payloads targeting user or option tables

Detection Strategies

Log Analysis:
Monitor WordPress and web server logs for suspicious requests to Visualizer plugin endpoints containing SQL injection patterns. Look for common SQL injection keywords such as UNION, SELECT, FROM, single quotes, double dashes, and encoded SQL characters in the query parameter.

Database Monitoring:
Implement database query logging to detect anomalous query patterns, particularly queries that attempt to access sensitive tables like wp_users or wp_options from the context of the Visualizer plugin.

Web Application Firewall (WAF) Rules:
Deploy WAF rules to detect and block SQL injection attempts targeting the Visualizer plugin's query functionality. Focus on patterns that indicate SQL injection in POST or GET parameters named query.

Monitoring Recommendations

Organizations should implement comprehensive logging and monitoring for WordPress installations using the Visualizer plugin:

1. Enable detailed WordPress debug logging temporarily to capture suspicious activity
2. Monitor authentication logs for unusual Contributor account activity
3. Implement real-time alerting for SQL injection patterns in web application logs
4. Use database activity monitoring to detect unauthorized data access attempts
5. Review access logs for the Visualizer plugin endpoints regularly

How to Mitigate CVE-2025-12483

Immediate Actions Required

• Update the Visualizer: Tables and Charts Manager plugin to version 3.11.14 or later immediately
• If immediate update is not possible, upgrade to version 3.11.13 to restrict exploitation to administrator accounts only
• Audit Contributor-level and higher user accounts for any signs of compromise
• Review database access logs for any evidence of data exfiltration
• Consider temporarily disabling the Visualizer plugin until patching is complete

Patch Information

The vulnerability has been addressed through a series of updates:

• Version 3.11.13: Raises the minimum user privilege level required for exploitation to administrator, significantly reducing the attack surface
• Version 3.11.14: Fully patches the vulnerability by implementing proper input sanitization and SQL query preparation

The patch changeset can be reviewed at the WordPress Plugin Trac repository. Site administrators should update to version 3.11.14 or later to completely remediate this vulnerability.

For detailed patch information, see:

• WordPress Plugin Changeset
• Wordfence Vulnerability Advisory

Workarounds

If immediate patching is not feasible, consider the following temporary mitigations:

1. Restrict User Privileges: Review and reduce the number of users with Contributor-level access or higher
2. Web Application Firewall: Implement WAF rules to block SQL injection patterns targeting the Visualizer plugin
3. Plugin Deactivation: Temporarily deactivate the Visualizer plugin if the charting functionality is not critical
4. Access Controls: Implement additional access controls to limit who can interact with the plugin's query functionality

These workarounds are temporary measures and do not fully address the vulnerability. Updating to the patched version (3.11.14) remains the recommended remediation approach.