A vulnerability has been reported in the OpenID module for Drupal, which can be exploited by malicious people to spoof OpenID authorities.
The vulnerability is caused due to the OpenID module not properly verifying the "claimed_id" value returned by an OpenID provider. This can be exploited to spoof other OpenID authorities by setting up a malicious OpenID provider.
The vulnerability is reported in 5.x-1.0 and earlier.
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