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EVENT / TOPICHistorical

Global websites taken offline due to critical PHP security vulnerabilities

3 reports2 sources10/22/2026 updated

Current overview (not historical)

AI overview

Critical security vulnerabilities in the PHP programming language have forced the temporary takedown of government and institutional websites worldwide. Authorities in Finland, the Netherlands, and the UK Parliament have taken sites offline, while major institutions like the BBC and Wikipedia have also been affected. The flaws allow potential unauthorized access to server file systems and databases. With patches not yet fully deployed, organizations have resorted to taking systems offline as a precautionary measure to prevent exploitation.

Written with AI from the reporting · updated 10/22/2026

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New at this step ·UK Government Investigates Exposure After Critical PHP Security Flaws Discovered

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Event developments

2 developments
  1. 10/22/2026, 12:21:27 PM

    AI discovers severe PHP vulnerabilities, triggering global cyber-security alert

    BBC World

  2. 10/22/2026, 2:01:28 PM

    UK Government Investigates Exposure After Critical PHP Security Flaws Discovered

    BBC World

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  1. 1Oct 22, 00:00recorded Oct 22, 07:27revised

    全球网站因PHP安全漏洞被迫下线

    Read original source ↗ BBC WorldReplay this moment in the explorer
  2. 2Oct 22, 14:01single sourcereport-time onlyrevised

    UK government identifies PHP cybersecurity exposure

    Read original source ↗ BBC WorldReplay this moment in the explorer

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Independent coverage · 3 reports

  • BBC World · Oct 22, 13:37
    UK Government Investigates Exposure After Critical PHP Security Flaws Discovered

    The UK government is working to identify potential exposure in its online services following the discovery of critical security flaws in the PHP programming language, which underpins a significant number of global websites, including Wikipedia and WordPress. Amazon reported multiple 'PHP2Shell exploitation attempts' on October 17, occurring before the warning embargo was lifted, and noted that the flaws went undetected for at least a decade. The National Cyber Security Centre (NCSC) urged all organizations to apply fixes or take systems offline if immediate remediation is not feasible. Wiz estimated that roughly 70% of the internet is affected.

    Read original source ↗
  • BBC World · Oct 22, 11:48
    AI discovers severe PHP vulnerabilities, triggering global cyber-security alert

    Researchers used AI to uncover critical security flaws in PHP, a programming language powering millions of websites including Wikipedia and WordPress. The vulnerabilities could allow attackers to take control of web servers and steal data without authentication. Major platforms and government portals have been taken offline as a precaution while security agencies urge immediate patching.

    Read original source ↗
  • BBC Business · Oct 22, 03:54
    Global websites taken offline after critical PHP security flaws are discovered

    International governments and agencies urged websites to address two critical vulnerabilities in the PHP programming language, which powers much of the internet. Due to the severity, bodies including the Finnish government, Edinburgh council, and the BBC have taken pages offline, while the Wikimedia Foundation temporarily shut down parts of Wikipedia. The flaws, which could provide a direct path to a server's file system or database, were discovered by AI tools through OpenAI's Patch the Planet program, involving researchers from Calif and Wiz, and had gone undetected for over a decade.

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Oct 22
  1. BBC World
    UK Government Investigates Exposure After Critical PHP Security Flaws Discovered

    The UK government is working to identify potential exposure in its online services following the discovery of critical security flaws in the PHP programming language, which underpins a significant number of global websites, including Wikipedia and WordPress. Amazon reported multiple 'PHP2Shell exploitation attempts' on October 17, occurring before the warning embargo was lifted, and noted that the flaws went undetected for at least a decade. The National Cyber Security Centre (NCSC) urged all organizations to apply fixes or take systems offline if immediate remediation is not feasible. Wiz estimated that roughly 70% of the internet is affected.

  2. BBC WorldSelected
    AI discovers severe PHP vulnerabilities, triggering global cyber-security alert

    Researchers used AI to uncover critical security flaws in PHP, a programming language powering millions of websites including Wikipedia and WordPress. The vulnerabilities could allow attackers to take control of web servers and steal data without authentication. Major platforms and government portals have been taken offline as a precaution while security agencies urge immediate patching.

  3. BBC Business
    Global websites taken offline after critical PHP security flaws are discovered

    International governments and agencies urged websites to address two critical vulnerabilities in the PHP programming language, which powers much of the internet. Due to the severity, bodies including the Finnish government, Edinburgh council, and the BBC have taken pages offline, while the Wikimedia Foundation temporarily shut down parts of Wikipedia. The flaws, which could provide a direct path to a server's file system or database, were discovered by AI tools through OpenAI's Patch the Planet program, involving researchers from Calif and Wiz, and had gone undetected for over a decade.