CVE-2026-2495: 
WordPress vulnerability analysis and mitigation

CVE-2026-2495 is an unauthenticated SQL Injection vulnerability in the WPNakama – Team and multi-Client Collaboration, Editorial and Project Management plugin for WordPress. It affects all versions up to and including 0.6.5, and was published on February 18, 2026. The flaw resides in the order parameter of the /wp-json/WPNakama/v1/boards REST API endpoint, allowing unauthenticated attackers to extract sensitive data from the database. It carries a CVSS v3.1 base score of 7.5 (High) (Red Hat CVE).

The vulnerability is classified as CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), caused by insufficient escaping of the user-supplied order parameter and inadequate preparation of the underlying SQL query in the plugin's REST API handler (Red Hat CVE). Because the endpoint is accessible without authentication, an attacker can send crafted HTTP GET or POST requests to /wp-json/WPNakama/v1/boards with a malicious order value that appends additional SQL statements to the existing query. This is a classic append-style SQL injection (CAPEC-66), with potential for blind SQL injection techniques (CAPEC-7) to enumerate database contents without direct error output (Red Hat CVE). A technical write-up is available from Infinit Security (Infinit Security).

Successful exploitation allows unauthenticated remote attackers to extract sensitive information from the WordPress database, including user credentials (hashed passwords), email addresses, authentication tokens, and any other data stored by the application. The CVSS assessment reflects a high confidentiality impact with no integrity or availability impact, meaning the primary risk is data exfiltration rather than data modification or service disruption (Red Hat CVE). Extracted credentials could enable account takeover and further lateral movement within the WordPress environment or connected systems.

No public exploit code or active in-the-wild exploitation has been confirmed at this time. The EPSS score is approximately 0.083%, indicating a low but non-negligible probability of exploitation in the near term (Red Hat CVE). The vulnerability is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. However, the unauthenticated nature of the attack vector and the availability of the REST API endpoint without any authentication requirement make this straightforward to exploit at scale against unpatched WordPress installations.

1. Reconnaissance: Identify WordPress sites running the WPNakama plugin (versions ≤ 0.6.5) using tools like WPScan, Shodan, or by probing the REST API discovery endpoint (/wp-json/) for the WPNakama/v1 namespace.
2. Confirm endpoint availability: Send a baseline GET request to /wp-json/WPNakama/v1/boards to confirm the endpoint responds and the plugin is active.
3. Inject malicious order payload: Append a SQL injection payload to the order parameter, e.g., GET /wp-json/WPNakama/v1/boards?order=id%20DESC%20UNION%20SELECT%201,user_login,user_pass,4,5%20FROM%20wp_users--. The insufficient escaping allows the injected SQL to be executed by the database.
4. Extract sensitive data: Use time-based or UNION-based SQL injection techniques to enumerate database tables, extract WordPress user credentials (usernames and hashed passwords), email addresses, and other sensitive records.
5. Crack or leverage credentials: Offline-crack extracted password hashes (e.g., using Hashcat) or use them directly in credential-stuffing attacks to gain administrative access to the WordPress site (Infinit Security, Red Hat CVE).

• Network: Unusual or repeated HTTP requests to /wp-json/WPNakama/v1/boards with anomalous order parameter values containing SQL keywords (e.g., UNION, SELECT, FROM, --, SLEEP, BENCHMARK).
• Logs: WordPress or web server access logs showing requests to the WPNakama REST API endpoint with URL-encoded SQL syntax in query parameters; high volume of requests from a single IP to this endpoint.
• Database: Unexpected or unauthorized queries in database slow query logs involving UNION SELECT or time-delay functions (SLEEP(), BENCHMARK()) originating from the WordPress application user.
• Application: Anomalous data returned in REST API responses, or error messages in WordPress debug logs referencing SQL syntax errors in the WPNakama boards query.

Users should update the WPNakama plugin to a version beyond 0.6.5 that addresses this vulnerability; check the WordPress plugin repository for a patched release. As an interim workaround, administrators can disable the WPNakama plugin entirely until a patch is applied, or restrict access to the REST API namespace WPNakama/v1 via a web application firewall (WAF) rule or server-level configuration. Monitoring web server logs for suspicious requests to the affected endpoint is also recommended (Red Hat CVE, Wordfence Report).

Wordfence included CVE-2026-2495 in its weekly WordPress vulnerability report for the period of February 16–22, 2026, highlighting it as a notable unauthenticated SQL injection risk for WordPress site operators (Wordfence Report). The vulnerability was also noted by security aggregators including Red Packet Security and The Hacker Wire, and discussed briefly on Mastodon/Infosec.Exchange by the Offseq threat intelligence account. Community reaction has been moderate, consistent with a plugin-level WordPress vulnerability affecting a relatively niche collaboration tool.