JeecgBoot versions from 3.4.3 up to 3.8.0 were found to contain a SQL injection vulnerability in the /jeecg-boot/online/cgreport/head/parseSql endpoint, which allows bypassing SQL blacklist restrictions.
The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.