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A practical guide for teams responding to PHP2Shell. Understand the vulnerabilities, identify exposure across your infrastructure and vendors, and work through remediation, credential rotation, and incident response—with a first-72-hours playbook and checklists your team can use.
What's inside?
Two checklists in one, across 15 device and infrastructure types:
The vulnerabilities explained: The code-execution and memory-disclosure paths, how they work, and why the PHP runtime is central to remediation.
Exposure and detection: Affected environments, places PHP can hide in your stack, and what external scans can and cannot tell you.
Remediation and post-exposure response: Runtime updates, restart verification, log review, and credential rotation priorities.
What you’ll learn
By the end, you'll be able to:
Map PHP exposure across production systems, containers, legacy applications, and vendor-managed services.
Plan runtime updates and verify that running processes have picked up the patched binary.
Identify activity that warrants investigation and prioritize potentially exposed credentials for rotation.
Ask vendors specific questions about their exposure, remediation, and impact on your data.
Brief leadership on response progress, unresolved risks, and next steps.
No sign-up required. Share it with everyone involved in your response.
Who’s this for?
Read this if you're a…
CISO or security leader coordinating the response and keeping executives informed.
Engineering or infrastructure lead responsible for finding, updating, and verifying PHP runtimes.
Incident responder or security analyst investigating potential exploitation and exposure.
GRC or vendor risk lead gathering evidence, assessing third-party exposure, and coordinating with legal teams.