CVE-2026-4935 Overview
CVE-2026-4935 is an unauthenticated SQL injection vulnerability in the OttoKit: All-in-One Automation Platform WordPress plugin. Versions prior to 1.1.23 fail to properly sanitize user input before incorporating it into SQL statements. The flaw is classified under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command). Remote attackers can exploit the issue across a network without authentication or user interaction. Successful exploitation enables attackers to manipulate database queries, exfiltrate sensitive data, and potentially compromise the integrity of the WordPress backend.
Critical Impact
Unauthenticated attackers can inject arbitrary SQL statements over the network, exposing confidential database contents on any WordPress site running OttoKit before version 1.1.23.
Affected Products
- OttoKit: All-in-One Automation Platform WordPress plugin versions prior to 1.1.23
- WordPress sites with the vulnerable plugin enabled
- Any environment exposing the affected plugin endpoints to untrusted network traffic
Discovery Timeline
- 2026-05-08 - CVE-2026-4935 published to NVD
- 2026-05-08 - Last updated in NVD database
Technical Details for CVE-2026-4935
Vulnerability Analysis
The OttoKit plugin processes user-supplied input and passes it into SQL queries without applying proper sanitization or parameterization. This permits attackers to break out of the intended query context by injecting SQL metacharacters and additional clauses. Because the vulnerability requires no authentication, any anonymous visitor can reach the vulnerable code path. The scope is marked as changed, meaning a successful attack can affect resources beyond the plugin's own security context.
Root Cause
The root cause is improper neutralization of special elements used in an SQL command, tracked as CWE-89. The plugin builds SQL statements through string concatenation that includes attacker-controlled input. Without prepared statements or proper escaping using WordPress functions such as $wpdb->prepare(), payloads embedded in HTTP parameters are executed directly by the database engine.
Attack Vector
An unauthenticated attacker sends a crafted HTTP request to a vulnerable plugin endpoint. The request contains SQL syntax in a parameter consumed by an unsafe query. The database executes the modified statement, returning data outside the intended query boundary. Attackers commonly use UNION-based or boolean-based blind injection techniques to enumerate tables, extract WordPress user records, and read configuration secrets. See the WPScan Vulnerability Detail for additional technical context.
Detection Methods for CVE-2026-4935
Indicators of Compromise
- Unexpected HTTP requests to OttoKit plugin endpoints containing SQL keywords such as UNION, SELECT, SLEEP(, or INFORMATION_SCHEMA
- Web server log entries with encoded SQL metacharacters (%27, %22, --, 0x) targeting plugin parameters
- Unusual database query latency or error messages referencing the wp_ table prefix originating from plugin requests
- New or modified WordPress administrator accounts following anomalous traffic to OttoKit URLs
Detection Strategies
- Inspect WordPress access logs for requests matching OttoKit plugin paths combined with SQL syntax in query strings or POST bodies
- Enable MySQL/MariaDB general query logging temporarily to identify malformed or stacked queries originating from PHP-FPM
- Deploy a Web Application Firewall (WAF) ruleset that flags SQL injection patterns against /wp-content/plugins/ and /wp-admin/admin-ajax.php endpoints
Monitoring Recommendations
- Alert on spikes in HTTP 500 responses from WordPress endpoints, which can indicate failed injection attempts
- Correlate outbound database traffic volume with inbound HTTP requests to detect data exfiltration via blind SQL injection
- Monitor file integrity for changes to WordPress core files, themes, and the wp_options table after suspicious traffic
How to Mitigate CVE-2026-4935
Immediate Actions Required
- Upgrade the OttoKit: All-in-One Automation Platform plugin to version 1.1.23 or later on every WordPress installation
- Audit the WordPress database for unauthorized administrator accounts, modified options, and unexpected content
- Rotate WordPress secrets in wp-config.php, administrator passwords, and any API tokens stored by the plugin
Patch Information
The vendor addressed the SQL injection in OttoKit version 1.1.23 by adding proper input sanitization and parameterized query handling. Administrators should apply the update through the WordPress plugin dashboard or by deploying the patched release from the official plugin repository. Refer to the WPScan Vulnerability Detail for the authoritative advisory.
Workarounds
- Deactivate and remove the OttoKit plugin until the patched version can be deployed
- Restrict access to WordPress endpoints used by the plugin through IP allowlisting at the reverse proxy or WAF layer
- Enable a WAF rule set such as OWASP CRS to block common SQL injection payloads against WordPress traffic
# Update OttoKit using WP-CLI to the patched release
wp plugin update suretriggers --version=1.1.23
# Verify the installed version meets the fix requirement
wp plugin get suretriggers --field=version
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
