GHSA-WHV5-4Q2F-Q68G OpenSTAManager Affected by Remote Code Execution via Insecure Deserialization in OAuth2

Description The oauth2.php file in OpenSTAManager is an unauthenticated endpoint $skippermissions = true. It loads a record from the zzoauth2 table using the attacker-controlled GET parameter state, and during the OAuth2 configuration flow calls unserialize on the accesstoken field without any...