CVE-2025-69307: 
WordPress vulnerability analysis and mitigation

CVE-2025-69307 is a Blind SQL Injection vulnerability in the TeconceTheme Medinik Core WordPress plugin, affecting all versions up to and including 1.3.6. It was reported by researcher Phat RiO on November 19, 2025, and published by Patchstack on January 28, 2026, with NVD publication on February 20, 2026. The vulnerability carries a CVSS v3.1 base score of 9.3 (Critical), exploitable by unauthenticated remote attackers with no user interaction required (Patchstack).

The vulnerability is classified as CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), meaning user-supplied input is not properly sanitized before being incorporated into SQL queries within the Medinik Core plugin. This allows an unauthenticated attacker to inject malicious SQL syntax via network requests, exploiting the plugin through a blind SQL injection technique — where results are inferred from application behavior rather than direct output. No authentication or user interaction is required, and the changed scope indicator suggests the impact extends beyond the plugin itself to the underlying WordPress database (Patchstack).

Successful exploitation grants an unauthenticated attacker high-confidence access to sensitive database contents, including WordPress user credentials, personal data, and site configuration — posing a severe confidentiality risk. The changed scope means the impact extends beyond the plugin's own data boundary to the broader WordPress database. Availability is also marginally affected (rated LOW), and while integrity is not directly impacted, stolen credentials could enable full site takeover (Patchstack).

The vulnerability requires no authentication and no user interaction, making it trivially exploitable at scale. Patchstack classifies it as high priority and notes it is expected to be used in mass-exploit campaigns targeting thousands of WordPress sites regardless of traffic or popularity. The EPSS score is approximately 0.021% (0.000210), indicating a currently low but non-negligible probability of exploitation in the near term. No CISA KEV listing or confirmed in-the-wild exploitation has been reported as of the available data (Patchstack).

1. Reconnaissance: Identify WordPress sites running the Medinik Core plugin (version ≤ 1.3.6) using tools like WPScan, Shodan, or Google dorks targeting plugin-specific file paths (e.g., inurl:/wp-content/plugins/medinik-core/).
2. Identify injectable parameter: Probe the plugin's exposed endpoints or shortcodes for parameters that interact with the database without proper sanitization.
3. Craft blind SQL injection payload: Since this is a blind SQLi, use time-based or boolean-based techniques. For example, append payloads like ' AND SLEEP(5)-- or ' AND 1=1-- / ' AND 1=2-- to distinguish true/false responses.
4. Automate data extraction: Use tools such as sqlmap with the identified injectable parameter to enumerate databases, tables, and extract sensitive data (e.g., WordPress wp_users table containing hashed passwords and emails): sqlmap -u "<target_url>?param=value" --level=3 --risk=2 --dbs.
5. Leverage extracted credentials: Crack extracted password hashes offline (e.g., using Hashcat) and use valid credentials to log into the WordPress admin panel for further compromise (Patchstack).

• Network: Unusual HTTP requests to WordPress endpoints associated with the Medinik Core plugin containing SQL metacharacters (', --, SLEEP, UNION, SELECT, AND 1=) in query parameters; repeated requests with slight parameter variations indicative of automated blind SQLi enumeration.
• Logs: WordPress or web server access logs showing high volumes of requests to plugin-related URLs from a single IP or small IP range; requests with abnormally long or encoded query strings; time-delayed responses (indicative of SLEEP()-based blind SQLi).
• Process/Database: Unexpected or slow database queries logged in MySQL slow query logs involving SLEEP() or complex UNION SELECT statements originating from WordPress plugin context.

As of the available data, no official patch has been released by the plugin developer (TeconceTheme) for Medinik Core. Patchstack has issued a virtual patching/mitigation rule for its subscribers to block exploitation attempts until an official fix is available. Site administrators should immediately deactivate and remove the Medinik Core plugin if it is not essential, or apply Patchstack's mitigation rule as an interim measure. Monitoring web server and database logs for anomalous SQL-related activity is also recommended (Patchstack).

Patchstack, which discovered and disclosed the vulnerability through researcher Phat RiO, flagged it as high priority and warned of potential mass-exploit campaign usage. Wordfence also referenced the vulnerability in their weekly WordPress vulnerability report for the period of January 26 – February 1, 2026, indicating broader community awareness within the WordPress security ecosystem (Wordfence Blog, Patchstack).