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GHSA-6rx5-m2rc-hmf7
No affected components available
Summary
A vulnerability in Zitadel's login V2 interface was discovered, allowing for possible account takeover.
Impact
Zitadel allows organization administrators to change the default redirect URI for their organization. This setting enables them to redirect users to an arbitrary location after they log in.
Due to missing restrictions and improper handling, malicious javascrtipt code could be executed in Zitadel login UI (v2) using the users’ browser.
An unauthenticated remote attacker can exploit this Stored XSS vulnerability, reset the password of their victims, and take over their accounts.
It's important to note that this specific attack vector is mitigated for accounts that have Multi-Factor Authentication (MFA) or Passwordless authentication enabled.Stored XSS vulnerability.
Affected Versions
Systems running one of the following versions are affected:
- 4.x:
4.0.0through4.11.1(including RC versions)
Patches
The vulnerability has been addressed in the latest releases. The login UI prevents execution of such code. Additionally, the page to change the password, now always requires the user's current password regardless of the state of the authenticated session.
4.x: Upgrade to >= 4.12.0
Workarounds
The recommended solution is to upgrade to a patched version.
Questions
If there are any questions or comments about this advisory, please send an email to security@zitadel.com
Credits
ZITADEL extends thanks once again to Amit Laish from GE Vernova for finding and reporting the vulnerability.
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 high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
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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