WordPress under attack by whack-a-mole ad-scam malware

JavaScript attack spreads among sites, re-infects after cleansing.
Darren Pauli
Sucuri threat researcher Denis Sinegubko says a “massive” advertising scam campaign is affecting users visiting WordPress sites, injecting backdoors and constantly re-infecting sites.
The prolific virus-destroyer (@unmaskparasites) says writers are injecting code into all JavaScript files on a targeted WordPress sites.
Sinegubko says first time visitors will cop a cookie that generates fraudulent advertising income for VXers.
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Source: http://www.theregister.co.uk/