Cross-site Request Forgery (CSRF) Affecting @apollo/explorer package, versions <3.7.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-APOLLOEXPLORER-13110032
- published28 Sept 2025
- disclosed26 Sept 2025
- creditekzyis, 0x9x-ui
Introduced: 26 Sep 2025
CVE-2025-59845 (opens in a new tab)How to fix?
Upgrade @apollo/explorer to version 3.7.3 or higher.
Overview
@apollo/explorer is a This repo hosts the source for Apollo Studio's Embeddable Explorer
Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) via missing origin validation in the window.postMessage process. An attacker can execute unauthorized GraphQL queries or mutations on behalf of an authenticated user by tricking the victim into visiting a malicious website that forges messages to the embedding page. The attack leverages the victim's browser context and authentication cookies to perform actions with the victim's privileges.
##Workaround
This vulnerability can be mitigated by ensuring that production deployments set the environment variable NODE_ENV=production to avoid unintentionally serving embedded Sandbox.