A vulnerability was found in pkp ojs up to 3.4.0-6 and classified as problematic. Affected by this issue is some unknown functionality of the file /login/signOut. The manipulation of the argument source with the input .example.com leads to open redirect. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.