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GHSA-mr6f-h57v-rpj5
No affected components available
Description
An input-validation flaw in the returnTo parameter in the Auth0 Next.js SDK could allow attackers to inject unintended OAuth query parameters into the Auth0 authorization request. Successful exploitation may result in tokens being issued with unintended parameters
Am I Affected?
You are affected if you meet the following preconditions:
- Applications using the auth0/nextjs-auth0 SDK version prior to 4.13.0
Affected product and versions
Auth0/nextjs-auth0 versions >= 4.9.0 and < 4.13.0
Resolution
Upgrade Auth0/nextjs-auth0 version to v4.13.0
Acknowledgements
Okta would like to thank Joshua Rogers (MegaManSec) for their discovery and responsible disclosure.
The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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