Security researchers at Automattic recently reported that the popular WordPress plugin and theme authors AccessPress were compromised and their software replaced with backdoored versions. The compromise appears to have taken place in September of last year and was only recently made public. Users who used software obtained directly from the AccessPress website unknowingly provided attackers with backdoor access, resulting in an unknown number of compromised websites. The software from the official WordPress repository so far appears to have been unaffected, although the proactive measure has been taken to remove them until a proactive code review can be conducted.

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