Popular WordPress redirect plugin hid dormant backdoor for years

What happened

Recent reporting highlighted popular wordpress redirect plugin hid dormant backdoor for years. The Quick Page/Post Redirect plugin, installed on more than 70,000 WordPress sites, had a backdoor added five years ago that allows injecting arbitrary code into users’ sites. The malware was uncovered by Austin Ginder, the founder of WordPress hosting provider Anchor, who found it after 12 infected sites on his fleet triggered a security alert.

Why it matters

This matters because it has practical implications for defensive prioritisation, exposure management, or incident response rather than sitting as abstract security commentary. It also helps frame how defenders should think about attacker adaptation and recurring tradecraft rather than single incidents in isolation.

Assessment

The strongest signal here is the tradecraft pattern and what it says about attacker adaptation, not just the single campaign or disclosure. In practice, that means operators should read this as a broader signal over noise item rather than a narrow one-off.

Recommended actions

• Review whether the issue, advisory, or attack pattern is relevant to your environment, suppliers, or exposed systems
• Patch, harden, or validate logging and monitoring coverage where applicable
• Map the observed activity to existing detections and threat-hunting hypotheses instead of tracking it only as narrative reporting
• Monitor follow-on reporting or primary-source updates for scope expansion, implementation guidance, or stronger enforcement signals

Further reading

• Primary source
• Source profile: Reporting