URL Redirection to Untrusted Site ('Open Redirect') in Products.PluggableAuthService

Impact

What kind of vulnerability is it? Who is impacted?

Open redirect vulnerability - a maliciously crafted link to the login form and login functionality could redirect the browser to a different website.

Patches

Has the problem been patched? What versions should users upgrade to?

The problem has been fixed in version 2.6.1. Depending on how you have installed Products.PluggableAuthService, you should change the buildout version pin to 2.6.1 and re-run the buildout, or if you used pip simply do pip install "Products.PluggableAuthService>=2.6.1"

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

There is no workaround. Users are encouraged to upgrade.

References

Are there any links users can visit to find out more?

• GHSA-p44j-xrqg-4xrr
• Products.PluggableAuthService on PyPI
• OWASP page on open redirects

For more information

If you have any questions or comments about this advisory:

• Open an issue in the Products.PluggableAuthService issue tracker
• Email us at [email protected]