CVE-2025-1648: Yawave WordPress Plugin SQLi Vulnerability

CVE-2025-1648 Overview

The Yawave plugin for WordPress contains a SQL Injection vulnerability in the lbid parameter that affects all versions up to and including 2.9.1. The vulnerability stems from insufficient escaping of user-supplied input and a lack of proper preparation on SQL queries. This flaw allows unauthenticated attackers to append malicious SQL queries to existing database queries, potentially leading to unauthorized extraction of sensitive information from the WordPress database.

Critical Impact

Unauthenticated attackers can exploit this SQL Injection vulnerability to extract sensitive data including user credentials, personal information, and other confidential database contents without any authentication required.

Affected Products

• Yawave WordPress Plugin versions up to and including 2.9.1
• WordPress installations with the vulnerable Yawave plugin activated

Discovery Timeline

• 2025-02-25 - CVE-2025-1648 published to NVD
• 2025-02-28 - Last updated in NVD database

Technical Details for CVE-2025-1648

Vulnerability Analysis

This SQL Injection vulnerability (CWE-89) exists within the Yawave plugin's liveblog shortcode functionality. The vulnerable code is located in the shortcode.liveblog.php file, specifically around line 69 where the lbid parameter is processed. The vulnerability is particularly dangerous because it requires no authentication to exploit, meaning any remote attacker can target WordPress sites running the vulnerable plugin versions.

The attack can be executed entirely over the network without any user interaction, and successful exploitation results in direct access to confidential database information. While the vulnerability does not allow attackers to modify or delete data directly through this vector, the information disclosure risk is substantial.

Root Cause

The root cause of this vulnerability is improper input validation and sanitization. The lbid parameter, which is user-supplied input, is incorporated into SQL queries without adequate escaping or parameterization. WordPress provides the $wpdb->prepare() method specifically to prevent SQL Injection attacks by properly escaping and preparing SQL statements, but this security measure was not properly implemented for the vulnerable parameter.

Attack Vector

The attack vector is network-based and requires no authentication or user interaction. An attacker can craft malicious HTTP requests containing SQL injection payloads within the lbid parameter. Since the parameter is not properly sanitized before being used in database queries, the attacker's SQL code is executed directly against the WordPress database.

The vulnerability allows attackers to append additional SQL queries to existing ones, enabling techniques such as UNION-based injection to extract data from other database tables. This could include extracting WordPress user credentials, email addresses, plugin configurations, and any other data stored in the WordPress database.

For detailed technical analysis and proof-of-concept information, see the Atvik Security SQL Injection Analysis and the WordPress Plugin Code Review.

Detection Methods for CVE-2025-1648

Indicators of Compromise

• Unusual database query patterns or errors in WordPress/web server logs
• HTTP requests to WordPress endpoints containing SQL syntax characters in the lbid parameter (e.g., single quotes, UNION, SELECT keywords)
• Unexpected database access attempts or data extraction patterns
• Increased database load or unusual query execution times

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect SQL Injection patterns in the lbid parameter
• Monitor web server access logs for requests containing suspicious SQL syntax in query strings
• Enable WordPress database query logging and alert on anomalous query patterns
• Deploy intrusion detection systems (IDS) with SQL Injection signature detection

Monitoring Recommendations

• Configure real-time alerting for SQL Injection attack signatures in WAF and IDS solutions
• Regularly audit WordPress plugin versions and cross-reference with vulnerability databases
• Implement database activity monitoring to detect unauthorized data access attempts
• Review web server logs for patterns indicative of automated SQL Injection scanning tools

How to Mitigate CVE-2025-1648

Immediate Actions Required

• Update the Yawave plugin to a version newer than 2.9.1 that addresses this vulnerability
• If an update is not immediately available, deactivate and remove the Yawave plugin until a patched version is released
• Implement WAF rules to block requests containing SQL Injection patterns in the lbid parameter
• Audit database access logs for evidence of prior exploitation attempts
• Consider changing WordPress database credentials and secrets if exploitation is suspected

Patch Information

Organizations should monitor the Wordfence Vulnerability Report and the official WordPress plugin repository for updates to the Yawave plugin that address this SQL Injection vulnerability. The fix should implement proper input sanitization using WordPress's $wpdb->prepare() method for the lbid parameter.

Workarounds

• Temporarily deactivate the Yawave plugin if updating is not immediately possible
• Implement strict input validation at the web server or WAF level to filter the lbid parameter
• Restrict access to WordPress endpoints that utilize the vulnerable liveblog functionality
• Apply the principle of least privilege to the WordPress database user to limit potential data exposure