ChanCMS CVE-2025-11902

Upgrade ChanCMS to a patched version above 3.3.2 if available from the vendor; however, no specific vendor-released patch version is documented in available advisories, and the vendor's non-responsiveness suggests patch availability is uncertain. As an immediate compensating control, restrict access to the /cms/article/findField endpoint to trusted users only via firewall or web application firewall (WAF) rules, reducing the attack surface by limiting which authenticated users can invoke the vulnerable function. Implement input validation on the cid parameter to enforce numeric-only values and reject special characters commonly used in SQL injection (quotes, dashes, asterisks, parentheses). Apply parameterized queries or prepared statements in the findField function code to separate SQL logic from user input, ensuring that the cid parameter is treated as data, not executable SQL. If source code access is available, conduct a code review of all database query construction in ChanCMS to identify similar SQL injection patterns elsewhere in the application.