ClipBucket v5 is an open source video sharing platform. Prior to version 5.5.3 - #141, ClipBucket v5 contains an improper neutralization of SQL wildcard characters in the subtitle editing endpoint. An authenticated user can send a % character as the number parameter to overwrite all subtitle titles of any video they own in a single HTTP request. This issue has been patched in version 5.5.3 - #141.