Liferay Portal 7.1 CE GA=3 / SimpleCaptcha API - Cross-Site Scripting

Exploit Title: Liferay Portal ” / or ” /. A customized Liferay portlet which directly calls the Simple Captcha API without sanitizing the input could be susceptible to this vulnerability. Poc In a sample scenario of custom code calling the ” / JSP taglib, appending a payload like the following to...