Reflected XSS when using flashMessages
CVE-2021-32641

8.1HIGH

Key Information:

Vendor

Auth0

Status
Lock
Vendor
CVE Published:
4 June 2021

What is CVE-2021-32641?

auth0-lock is Auth0's signin solution. Versions of nauth0-lock before and including 11.30.0 are vulnerable to reflected XSS. An attacker can execute arbitrary code when the library's flashMessage feature is utilized and user input or data from URL parameters is incorporated into the flashMessage or the library's languageDictionary feature is utilized and user input or data from URL parameters is incorporated into the languageDictionary. The vulnerability is patched in version 11.30.1.

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Affected Version(s)

lock <= 11.30.0

References

https://github.com/auth0/lock/security/advisories/GHSA-jr...
x_refsource_CONFIRM
https://github.com/auth0/lock/commit/d139cf01c8234b07caf2...
x_refsource_MISC
https://github.com/auth0/lock/releases/tag/v11.30.1
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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