Abstract: A method comprising: loading a web page in a web browser, wherein the web page comprises a call to an anti-injection client-side code; loading the anti-injection client-side code in the web browser; and executing the anti-injection client-side code to: (a) in a main execution thread running the web browser, intercept an injection of a node into the DOM (Document Object Model) of the web page, (b) in a web worker execution thread, compare the injected node with a list, and (c) in the main execution thread running the web browser based on the comparison, permit or block execution of the injected code.

Abstract: A method comprising: loading a web page in a web browser, wherein the web page comprises a call to an anti-injection client-side code; loading the anti-injection client-side code in the web browser; and executing the anti-injection client-side code in the web browser, to: (a) intercept an injection of a node into the DOM (Document Object Model) of the web page, (b) compare the injected node with a list, and (c) based on the comparison, permit or block execution of the injected code.

Abstract: A method comprising: loading a web page in a web browser, wherein the web page comprises a call to an anti-injection client-side code; loading the anti-injection client-side code in the web browser; and executing the anti-injection client-side code to: (a) in a main execution thread running the web browser, intercept an injection of a node into the DOM (Document Object Model) of the web page, (b) in a web worker execution thread, compare the injected node with a list, and (c) in the main execution thread running the web browser based on the comparison, permit or block execution of the injected code.