CVE-2024-49609 Overview
CVE-2024-49609 is a Blind SQL Injection vulnerability in the Brandon White Author Discussion plugin for WordPress. The flaw affects all versions of the author-discussion plugin up to and including 0.2.2. Attackers with low-privilege authenticated access can inject malicious SQL statements through improperly sanitized input parameters. The vulnerability maps to [CWE-89] (Improper Neutralization of Special Elements used in an SQL Command).
Critical Impact
Authenticated attackers can extract sensitive database contents, modify records, and compromise WordPress site integrity through blind SQL injection against the vulnerable plugin.
Affected Products
- Brandon White Author Discussion plugin for WordPress
- All versions from n/a through 0.2.2
- WordPress installations with the author-discussion plugin enabled
Discovery Timeline
- 2024-10-20 - CVE-2024-49609 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2024-49609
Vulnerability Analysis
The Author Discussion plugin fails to properly neutralize special characters in SQL commands built from user-supplied input. This allows an attacker to alter query logic executed against the WordPress database. Because the injection is blind, responses do not directly reveal query output. Attackers infer data through boolean-based or time-based inference techniques.
Exploitation requires network access and low-privilege authentication. No user interaction is needed. Successful exploitation impacts confidentiality, integrity, and availability of the WordPress database.
Root Cause
The root cause is missing input sanitization and lack of parameterized queries in the plugin's database access code. User-controlled parameters flow directly into SQL statements without prepared statement bindings or escaping through WordPress $wpdb->prepare(). This design choice violates secure query construction practices required by the WordPress plugin development standards.
Attack Vector
An authenticated attacker sends crafted HTTP requests containing SQL payloads targeting vulnerable plugin endpoints. The payload manipulates the backend query, enabling extraction of arbitrary rows from wp_users, wp_usermeta, and other tables. Blind techniques such as SLEEP()-based timing or boolean condition testing allow the attacker to reconstruct data byte-by-byte. Refer to the Patchstack SQL Injection Vulnerability advisory for additional technical context.
Detection Methods for CVE-2024-49609
Indicators of Compromise
- Unusual query strings containing SQL keywords such as UNION, SLEEP, BENCHMARK, or SELECT in requests to author-discussion plugin endpoints
- Repeated authenticated POST or GET requests with escalating payload variations from a single session
- Anomalous MySQL slow query log entries correlating with plugin URIs
- Sudden increases in database CPU or response latency tied to plugin requests
Detection Strategies
- Deploy Web Application Firewall (WAF) rules targeting SQL injection signatures on WordPress plugin paths
- Enable WordPress query logging and monitor for malformed SQL statements originating from the author-discussion plugin
- Correlate authenticated user activity with database anomalies using a SIEM
Monitoring Recommendations
- Monitor authenticated user sessions issuing requests to author-discussion plugin endpoints for injection patterns
- Baseline normal database query timings and alert on SLEEP() or BENCHMARK() anomalies
- Alert on new low-privilege account creations followed by plugin endpoint access
How to Mitigate CVE-2024-49609
Immediate Actions Required
- Disable or uninstall the Brandon White Author Discussion plugin until a patched version is confirmed available
- Audit WordPress user accounts and revoke unnecessary contributor or subscriber privileges
- Review database logs for evidence of injection attempts targeting the plugin
Patch Information
No vendor-supplied patch is referenced in the available advisory data. The vulnerability affects all versions through 0.2.2. Refer to the Patchstack advisory for the latest remediation status and consider replacing the plugin with a maintained alternative.
Workarounds
- Remove the author-discussion plugin from all WordPress installations
- Apply virtual patching through a WAF with rules blocking SQL metacharacters on plugin endpoints
- Restrict access to WordPress authenticated areas using IP allowlists where feasible
- Rotate database credentials and WordPress salts if exploitation is suspected
# Configuration example: disable the vulnerable plugin via WP-CLI
wp plugin deactivate author-discussion
wp plugin delete author-discussion
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
