TechPolitics

PHP: The three letters that shut down sites all over the internet today

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 21/10/2026, 20:46:25 UTC.

Briefings

Two critical vulnerabilities in the PHP programming language, which underpins major internet sites including WordPress, caused widespread site shutdowns on 2026-10-21. Dutch and Finnish government agencies, along with the NSA and UK Cyber Security Center, recommended taking systems offline due to the risk of immediate compromise. The affected sites included 4chan, DeviantArt, Wikipedia, and a blog hosting dog photos. The Verge reported on these events.

Key points

• Two critical vulnerabilities in PHP programming language caused shutdowns of major internet sites including 4chan, DeviantArt, Wikipedia, and a dog photo blog on 2026-10-21.
• Dutch and Finnish government agencies, the NSA, and UK Cyber Security Center recommended taking systems offline due to the risk of immediate compromise.

Context

PHP is the programming language underpinning much of the internet, including sites built on WordPress. The vulnerabilities were discovered in the language itself, leading to a global precautionary shutdown of affected systems.

Limitations

Evidence covers only four specific sites and two countries; no other affected systems or global statistics are provided. The article does not specify the vulnerability details, impact duration, or root cause analysis.

Generated by Bittrees-hosted qwen35-2b sha256:aaf42c8b7c3c on 21/10/2026, 20:48:00 UTC. Based on publisher-provided feed evidence; may not cover the full original article. Check the source for details.

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