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Exploit / PoCcriticalExploited in the wild

PHP2Shell exploitation surges while most public PHP stays unpatched

Original title: Exposed to PHP2Shell? Cyber Experts Weigh in With Advice

Dark Readingby Nate Nelson ()10 min read
AI summary · x-ai/grok-4.7Summaries by Vani AI

Cloudflare's CEO said attempts reached millions within hours of disclosure; Ox still saw 97.5% unpatched on October 23.

Researchers say attackers began exploiting critical PHP flaws dubbed PHP2Shell faster than organizations applied fixes. Cloudflare's chief executive reported attempts climbing into the millions within hours of the October 21 disclosure. Scanning firms found nearly all discoverable instances still not advertising patched releases a day later, including many on unsupported branches. Practitioners say updating is often harder than a simple version change; the article's specific steps are cut off.

Unconfirmed: Attempt volumes and the worldwide 10% figure are claims by Cloudflare's CEO and Check Point; scanners note internet data misses nuances.

Key facts
  • Matthew Prince said attempts rose from thousands before disclosure to millions by late October 21.
  • Check Point Research said exploitation attempts had reached 10% of organizations worldwide.
  • Ox Security said 97.5% of sampled Shodan instances still lacked a patched version on October 23.
  • Flare said about 5% of upstream-supported public records had been updated.
  • Cisco Talos estimated from OSINT that around half of PHP systems will not get patches.
Security assessment · AI, from the articleExploited in the wild

Impact: Exploitation of critical PHP vulnerabilities

ProductAffected
PHP Foundation PHP—
What to do
  1. 1.Apply a newly released patched PHP version where the deployment can be updated.
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Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
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From the original article

10 min read at darkreading.com

Fixing the critical PHP flaws is not as simple as clicking "Update." Here's how to assess your risk, and what you can do to protect yourself.

Dark Reading

By Nate Nelson · darkreading.com

Read the full article at Dark Reading

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.