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GHSA-6qvv-pj99-48qm
No affected components available
Impact
The response.redirect().back() method in @adonisjs/http-server is vulnerable to open redirects. The method reads the Referer header from the incoming HTTP request and redirects to that URL without validating the host. An attacker who can influence the Referer header (for example, by linking a user through an attacker-controlled page before a form submission) can cause the application to redirect users to a malicious external site.
This affects all AdonisJS applications that use response.redirect().back() or response.redirect('back').
The vulnerability is classified as CWE-601: URL Redirection to Untrusted Site ('Open Redirect').
Patches
This has been fixed in @adonisjs/http-server version 8.2.0. The back() method now validates the Referer header's host against the request's own Host header. Referrers from unrecognized hosts are rejected and the redirect falls back to / (or a developer-provided fallback URL).
Applications that operate across multiple domains can configure additional trusted hosts via the redirect.allowedHosts option in config/app.ts.
Users should upgrade to @adonisjs/http-server@^8.2.0 (or @adonisjs/core@^7.4.0 if using the core meta-package).
Workarounds
If upgrading is not immediately possible, avoid using response.redirect().back() in routes that are reachable by unauthenticated users or from pages that accept external traffic. Instead, redirect to a known safe path explicitly using response.redirect().toPath('/dashboard').
References
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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