The Advanced Search WordPress plugin through 1.1.6 does not properly escape parameters appended to an SQL query, making it possible for users with the administrator role to conduct SQL Injection attacks in the context of a multisite WordPress configurations.
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.
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https://wpscan.com/vulnerability/ecb74622-eeed-48b6-a944-4e3494d6594d/ | third party advisory vdb entry exploit technical description |