WordPress Plugin Survey & Poll 1.5.7.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the wp_sap cookie parameter. Attackers can craft SQL payloads in the cookie to extract sensitive database information including usernames, passwords, and other confidential data from the WordPress database.
https://www.vulncheck.com/advisories/wordpress-plugin-survey-poll-sql-injection-via-sss-params