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CVE-2021-32702
Good to know:
Date: June 25, 2021
The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions before and including "1.4.1" are vulnerable to reflected XSS. An attacker can execute arbitrary code by providing an XSS payload in the "error" query parameter which is then processed by the callback handler as an error message. You are affected by this vulnerability if you are using "@auth0/nextjs-auth0" version "1.4.1" or lower unless you are using custom error handling that does not return the error message in an HTML response. Upgrade to version "1.4.1" to resolve. The fix adds basic HTML escaping to the error message and it should not impact your users.
Language: TYPE_SCRIPT
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Top Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | NONE |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | NETWORK |
| Access Complexity (AC): | MEDIUM |
| Authentication (AU): | NONE |
| Confidentiality (C): | NONE |
| Integrity (I): | PARTIAL |
| Availability (A): | NONE |
| Additional information: |