Security vulnerabilities in PHP, the language underpinning an estimated 70% of websites, could let hackers seize servers and steal data. Governments and businesses rushed to patch systems, with some official sites in France, the Netherlands, Canada, Japan and Germany briefly taken offline. The PHP Foundation disclosed the flaws early after they began circulating online; no major hacks have been reported.
Serious PHP flaw exposes most of the web to attack
Source: theguardian.com