Due to a security issue,[1] the deprecated "gettoken" parameter to
action=block and action=unblock has been removed. Clients should use
action=tokens to fetch tokens of types "block" or "unblock" instead.
This also applies to the security release 1.21.2.
[1]:
https://bugzilla.wikimedia.org/show_bug.cgi?id=49090
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Brad Jorsch (Anomie)
Software Engineer
Wikimedia Foundation