Advisory Weakness Curation

Parse Server is vulnerable to Prototype Pollution via Cloud Code Webhooks ### Impact A compromised Parse Server Cloud Code Webhook target endpoint allows an attacker to use prototype pollution to bypass the Parse Server `requestKeywordDenylist` option. ### Patches Improved keyword detection. ### Workarounds None. ### Collaborators Mikhail Shcherbakov, Cristian-Alexandru Staicu and Musard Balliu working with Trend Micro Zero Day Initiative ### References - https://github.com/parse-community/parse-server/security/advisories/GHSA-93vw-8fm5-p2jf

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. In versions prior to 5.3.3 or 4.10.20, a compromised Parse Server Cloud Code Webhook target endpoint allows an attacker to use prototype pollution to bypass the Parse Server `requestKeywordDenylist` option. This issue has been patched in versions 5.3.3 and 4.10.20. There are no known workarounds.

Duplicate This advisory duplicates another.