CVE-2022-21661 Scanner

WordPress is a leading content management system (CMS) used to create and manage websites. It's known for its ease of use, flexibility, and extensibility through themes and plugins. WordPress powers a significant portion of the internet, from personal blogs to complex websites of major corporations. It provides a platform for users to publish content, engage with their audience, and customize their site's appearance and functionality. WordPress is maintained by a community of developers and contributors who regularly update the core software to enhance features, security, and performance.

The flaw specifically impacts the handling of certain parameters within WP_Query, where unsanitized inputs can be manipulated to construct malicious SQL queries. This vulnerability requires no authentication, making it possible for an unauthenticated attacker to exploit it by crafting a request that includes a malicious SQL query. The attack can be carried out through plugins or themes that incorrectly handle user input and pass it to WP_Query, demonstrating the importance of proper input validation and sanitization in all components of a WordPress site.

Successful exploitation of this vulnerability can allow attackers to perform SQL injection attacks, leading to unauthorized access to the site's database. This could result in the leakage of sensitive information, such as user credentials, personal data, or proprietary content. Moreover, attackers could potentially manipulate or delete data, causing disruption to the website's operation and compromising the integrity of the site.

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References

• https://wpscan.com/vulnerability/7f768bcf-ed33-4b22-b432-d1e7f95c1317
• https://www.zerodayinitiative.com/blog/2022/1/18/cve-2021-21661-exposing-database-info-via-wordpress-sql-injection
• http://packetstormsecurity.com/files/165540/WordPress-Core-5.8.2-SQL-Injection.html
• https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-6676-cqfm-gw84
• https://nvd.nist.gov/vuln/detail/cve-2022-21661