Analysis of vulnerabilities discovered by NCC Group researchers over the last nine years found that instances of common web-based vulnerabilities have largely refused to fall over during this time, with cross-site scripting (XSS) vulnerabilities appearing the most frequently. The global cyber security and risk mitigation expert found that despite this type of vulnerability being understood across the industry for decades, XSS flaws, which enable attackers to inject malicious scripts into websites or victim browsers, still account for 18% of all bugs logged.

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