CVE-2020-15119
DOM-based XSS in auth0-lock
Description
### Overview Versions before and including `11.25.1` are using `dangerouslySetInnerHTML` to display an informational message when used with a Passwordless or Enterprise connection. - For Passwordless connection, the value of the input (email or phone number) is displayed back to the user while waiting for verification code input. - For Enterprise connection, the value of the input (IdP Domain) from the Enterprise connection setup screen (Auth0 Dashboard) is displayed back to the user when the `lock` widget opens. When Passwordless or Enterprise connection is used, the application and its users might be exposed to cross-site scripting (XSS) attacks. ### Am I affected? You are affected by this vulnerability if all of the following conditions apply: - You are using auth0-lock - You are using Passwordless or Enterprise connection mode ### How to fix that? Upgrade to version `11.26.3` ### Will this update impact my users? The fix provided in patch will not affect your users. ### Credit https://github.com/mvisat
How to fix CVE-2020-15119
To remediate CVE-2020-15119, upgrade the affected package to a fixed version below.
- —upgrade to 11.26.3 or later
Is CVE-2020-15119 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 11.26.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.4 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N |