Illustration by Mark Todd In May, Web security consultant George Deglin discovered a cross-site scripting (XSS) exploit that involved Facebook’s controversial Instant Personalization feature. The ...

The developers have released updated Checkmk versions. They close a at least highly risky cross-site scripting vulnerability.

Cross-site scripting, often abbreviated XSS, is a class of Web security issues. A recent research report stated that XSS is now the top security risk. In a typical XSS scenario, a Web page might use ...

A new type of cross-site scripting (XSS) attack that exploits commonly used network administration tools could be putting users' data at risk, a researcher says. Tyler Reguly, lead security research ...

Mozilla has quietly fitted a new security feature into the latest Firefox update, adding the ability for the browser to prevent cross-site scripting attacks. The change, which was not officially ...

In cyber security, attention is concentrated on the new -- zero-day exploits, for example, are big news and big business. But old threats can still cause big problems for organizations, even when the ...