CVE-2026-54836 Scanner

YMC Filter is a WordPress plugin widely used in content management systems for filtering posts and custom content. It allows users to create custom filters on their WordPress sites to enhance content accessibility. The software is popular among web developers for its versatile filtering capabilities, making it an integral part of many WordPress sites. Users leverage this plugin to improve search functionality and user experience on their websites. Features like filter ID and customizable options make it adaptable to various site needs. It is actively maintained to ensure compatibility with the latest WordPress versions.

SQL Injection is a critical vulnerability that allows attackers to manipulate and execute arbitrary SQL queries. This vulnerability can potentially lead to severe data breaches, unauthorized access, and data loss. SQL Injection occurs when untrusted data is inserted into SQL queries without sufficient validation. Attackers can exploit this to bypass authentication, access sensitive data, and affect database integrity. The presence of SQL Injection highlights issues with input validation and query handling in software.

The vulnerability in the YMC Filter plugin is triggered by improper neutralization of special elements within SQL commands. Specifically, the endpoint '/wp-json/ymc/v1/posts/filter' can be targeted with crafted input parameters. Attackers can insert malicious SQL syntax through parameters like 'filter_id' and cause the database to execute unintended operations. The vulnerability is further confirmed by a noticeable delay in response time during exploitation, indicating successful manipulation of SQL queries. This flaw stems from inadequately sanitized user inputs that are incorporated into SQL statements.

When exploited, this vulnerability can have severe impacts on the affected server and its data. Attackers may gain direct access to database information, enabling data theft, manipulation, or destruction. Sensitive data such as user information, passwords, and business-critical info could be exposed or tampered with. Affected servers might also experience downtime due to exhaustion of resources induced by complex SQL queries. The vulnerability poses a significant threat to both data confidentiality and integrity, necessitating immediate mitigation.

REFERENCES

• https://nvd.nist.gov/vuln/detail/CVE-2026-54836