VulnerabilityModified
CVE-2020-7741
So we can simply pass some XSS payloads into the url param oauth_redirect, such as javascript:alert(1).
CRITICAL 9.9EPSS 1.48%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This affects the package hellojs before 1.18.6. The code get the param oauth_redirect from url and pass it to location.assign without any check and sanitisation. So we can simply pass some XSS payloads into the url param oauth_redirect, such as javascript:alert(1).
- CVSS 3.1
- 9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H
- EPSS
- 1.48% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- hello.js project/hello.js
- Source
- report@snyk.io
References
- https://github.com/MrSwitch/hello.js/blob/3b79ec93781b3d7b9c0b56f598e060301d1f3e73/dist/hello.all.js%23L1545Broken Link
- https://github.com/MrSwitch/hello.js/commit/d6f5137f30de6e0ef7048191ee6ae575fdc2f669Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-HELLOJS-1014546Third Party Advisory
- https://github.com/MrSwitch/hello.js/blob/3b79ec93781b3d7b9c0b56f598e060301d1f3e73/dist/hello.all.js%23L1545Broken Link
- https://github.com/MrSwitch/hello.js/commit/d6f5137f30de6e0ef7048191ee6ae575fdc2f669Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-HELLOJS-1014546Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.