WordPress 4.2.1 Update To Mitigate Critical Zero-Day Threat

Shortly after this article was posted, WordPress released version 4.2.1, flagging it as a critical update. Website owners are encouraged to update immediately, and automatic updates have started to roll out. More information is here.

However, the release advisory from WordPress still suggests that no prior notification was received from Klikki Oy, something the research firm disputes.

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