CVE-2021-41109
Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to version 4.10.4, for regular (non-LiveQuery) queries, the session token is removed from the response, but for LiveQuery payloads it is currently not. If a user has a LiveQuery subscription on the `Parse.User` class, all session tokens created during user sign-ups will be broadcast as part of the LiveQuery payload. A patch in version 4.10.4 removes session tokens from the LiveQuery payload. As a workaround, set `user.acl(new Parse.ACL())` in a beforeSave trigger to make the user private already on sign-up.
How to fix
- parseplatform parse-server4.10.4 or later
- parse-server4.10.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| parseplatform parse-server | v < 4.10.4 | 4.10.4 |
| parse-servernpm | v < 4.10.4 | 4.10.4 |
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