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Blog

Blog

Critical security problem in UpdraftCentral: an attacker holding the service’s keys planted a backdoor on our websites

On the night of 19 October 2026 an attacker abused UpdraftCentral, the remote management service built into UpdraftPlus, a backup plugin with more than 4 million installations, and planted a backdoor on two of our three websites. Our sites were fully up to date and the fault was not on our side: the attacker signed the commands with valid keys that the UpdraftCentral Cloud service generates and keeps. We publish an analysis of the backdoor, indicators of compromise and a...

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Discovery of CVE-2022-24833

When on a security audit for a client it was discovered that a key component – the open-source private paste service PrivateBin contained a previously undocumented flaw. Cross-site-scripting is nothing new. I actually feel there must be prehistoric cave paintings and markings somewhere in the world containing some variation of <script>alert(1)</script>. Although XSS payloads embedded […]

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