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Cybersecurity

Stolen UpdraftCentral keys backdoored WordPress sites

TeamUpdraft said unauthorised access to its website may have exposed customer data and connection keys, while Patchstack and Nethemba said attackers used those keys against connected WordPress sites.

BleepingComputer

TeamUpdraft said it detected unauthorised access to its website over the weekend of 17-18 October. It said it closed the access route, signed out all accounts and replaced keys and credentials that may have been affected.

The company said the customer database may have been accessed. It said the data could have included customer and billing information, order history, password hashes, two-factor settings and connection keys for UpdraftCentral, UpdraftVault and UpdraftClone.

Patchstack's lead researcher, Oliver Sild, said attackers had started using stolen access keys to compromise sites connected to UpdraftCentral. Patchstack said the attacks began on 18 October at 15:32 UTC and that it had logged at least 99 malicious backdoor plugins.

Nethemba said three of its WordPress sites were targeted through UpdraftCentral and that malicious plugins were installed on two of them. It said the attacker used valid private dashboard keys, and that the initial 1.26.12/2.26.12 release had been intended to remove UpdraftCentral Cloud keys but a bug stopped that happening.

Named in this story

People

Oliver Sild
Patchstack's lead researcher who commented on the campaign

Companies

TeamUpdraft
said its website was breached and its customer database may have been accessed
Patchstack
reported that stolen keys were being used to backdoor connected sites
Nethemba
said its own WordPress sites were targeted through UpdraftCentral

Products and systems

UpdraftPlus
the backup plugin family that TeamUpdraft develops
UpdraftCentral
the remote management service whose connection keys may have been exposed
UpdraftVault
the cloud backup storage service whose keys may have been exposed
UpdraftClone
the staging site service whose keys may have been exposed

How the source tells it

The article was mostly straight news, but a sensational subheading and a large extrapolated exposure estimate gave it an alarmed, urgent edge.

  • alarm a dramatic section heading and language about sites being backdoored
  • threat inflation an estimate based on a percentage that was translated into a very large site count
  • urgency rapid-response wording and imperative remediation instructions