In JEESNS 1.3, com/lxinet/jeesns/core/utils/XssHttpServletRequestWrapper.java allows stored XSS via an HTML EMBED element, a different vulnerability than CVE-2018-17886.
An issue was discovered in JEESNS 1.3. The XSS filter in com.lxinet.jeesns.core.utils.XssHttpServletRequestWrapper.java could be bypassed, as demonstrated by a <svg/onLoad=confirm substring. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-12429.