ScnSocialAuth Cross-site Scripting vulnerability in login redirect param

ScnSocialAuth version 1.15.2 has been released and includes a security for this vulnerability. Fix has been applied in https://github.com/SocalNick/ScnSocialAuth/commit/4a00966c41bc37251586d007564c5c891eba3700

Affected versions

All versions below 1.15.2 are affected. dev-master is fixed starting from https://github.com/SocalNick/ScnSocialAuth/commit/4a00966c41bc37251586d007564c5c891eba3700

Exploits

Because of missing escaping of the URL param redirect a XSS attack is possible.
For example: Setting the redirect param to "&gt;&lt;a%20href="http://github.com"&gt;GitHub.com</a>&lt;inpu%20type="hidden"%20" would result in a link added to the login page.

Resolution

If you are using any version of ScnSocialAuth below 1.15.2 please upgrade immediately by running composer update.